ML20127B665
| ML20127B665 | |
| Person / Time | |
|---|---|
| Site: | Waterford  |
| Issue date: | 02/24/1983 |
| From: | Aggarwal V EBASCO SERVICES, INC. |
| To: | |
| Shared Package | |
| ML17198A241 | List:
|
| References | |
| FOIA-84-455 CP-703, NUDOCS 8506220020 | |
| Download: ML20127B665 (22) | |
Text
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t FRC00URI FOR: . l RO C '. E 7. 3 1: BATCH PLANT ACTIVITIES AND OPERATIONS CP-703 4 W ISSUI SC21.AF.Y 5 T. .
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. 8506220020 850222 PDR FOIA PDR GARDE 84-455 IN OF INFORMATION -
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' The purpose of this procedure is to record tne nethod of receiving. I stockpiling, handling rav =aterials. and 1xing and delivering cencrete.
2.0 SCOPE This procedure covers the requirements for receiving. stockpiling, handling
,3 rav naterials. =1xing and delivering ready six cencrete. and all other g plant operations to be perforned by Ebasco Services. =
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3.0 REFERENCES
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$ 3.1 American Society For Testing and Materials (ASTM). = $: 3.2 National Ready Mix Concrete Association (NF.W.CA). =
3 3.3 Ebasco Specification LOU 1564.472. O Fi E 4.0 DEFINITIONS 5 m 4.1 Aggregates - Both fine aggregate (sand) and coarse aggregate (gravel) t.; from Louisiana Industries Price pit located near Sun. Louisiana. 4.2 ASTM - American Society for Testing and Materials. { 4.3 Engineer - Any designated representative and esployee of Ebasco 3 Services. Inc. O
, 4.4 Flant Supervisor - On site Flant Supervisor.
E 4.5 QC Inspector - Ebasco Quality Control Inspector. ne [ 4.6 Ma.terial Handler - Employee who has responsibility for receiving and y processing incoming raw materials.
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4 4.7 Front End Leader Operator - Employee who has the responsibility for { transporting the raw materials.
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4.8 Batchman - Employee who has the responsibility for concrete batching, truck leading, and other plant functions. 4.9 I.ab Inspector - Employee of Ebasco's on site Testing Laboratory. 6 W
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' i.iAdw5 3'h.*1CL5 G4 & J.h!IJ . ..J . CP-703 i WA*IP.FCP.D S*I.ui EI.IC*?.10 ST.CION - UN ! 50. 3 l PACE:2 CT 11 I i
4 !SSCE: B 4.10 Ad91xtures - Additives for concrete which provice cerrain characteristics such as air entrainment, set retardation, and water reduction. 4.11 Cement - Type I or Type II, supplied by an approved source for use in design mixes. 5.0 RESPONSIBILITY w j 5.1 Plant Supervisor - Responsible for production operations, production
- and delivery employees, scheduling of concrete delivery, ordering and 3 receiving of all materials, safety program and plant maintenance, and y all other related operations. Plant Supervisor reports to the w Assistant Construction Superintendent.
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- B 5.2 Quality Control Inspector - Responsible for implementing WQC-120
- j Procedure.
E. U 6.0 PROCEDURE 6 This procedure is divided into individual areas of responsibility for the
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5 purpose of implementing field work assignments, w g 6.1 Materia' Handler h 6.1.1 Rail hopper area including the rail support beams, both top and bottom flags, hopper grizzley cover, concrete area at
% cop of hopper, metal hopper, belt conveyors, and transfer h hoppers shall be cleaned of all aggregates when a material i 8 of a different size is to be received. If the material .., cleaned from thess' areas is contaminated, the materials will be placed in a bin designated for waste.
g' 6.1.2 Truck hopper area including truck approach ramp at hopper, metal hopper, belt conveyors, and transfer hoppers shall be g cleaned of all aggregates when a material of a different
- size is to ha received. If the material cleaned from the
$ truck hoppai is contaminated, the material shall be placed
{ in a bin designated for waste material. 6.1.3 Material shall be placed only into piles that have been designated as " receiving piles" by QC Inspector and shall be marked with a red flag. In no case will material be placed on top of a previously approved pile unless QC Inspector or Plant Supervisor approves. Individual aggregate piles will be kept at 7,500 tons or less.
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**ATIRFCR3 a STI.ui El.EC3;C STATICN - WIT NO. 3 PACE: CF g g 3 l l
8 6.1.4 Cement received b; rail shall not be unleaded until QC Inspector has recorded cement temperature, rail car seal numbers, carrier identity and car number. Cement shall be placed in cement silos as designated by Plant Supervisor. Prior to cement unloading, air slides shall be checked for i B cement clods, and air slide adapters shall be firmly attached to rail car. 6.1.5 Cement received by truck shall not be unloaded until QC w Inspector has recorded cement temperature, truck seal 2 number, carrier identity and truck number. Cement shall be placed in cement silo as designated by Plant Supervisor. E y 6.1.6 Admixtures shall be unloaded only after QC Inspector has x approved material. Admixtures shall be placed in designated
$ storage tanks. Care must be taken to avoid contamination. =
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- 6.1.7 Material designated as non-conforming by*the QC Inspector g shall be immediately removed from plant site if material has s not been unloaded. Materials unloaded before being O designated as non-conforming shall be stored in areas g designated as non-conforming areas and removed as directed
- . by the Plant Supervisor with removal documented by QC 5E Inspector.
m - y 6.1.8 Aggregates received by rail shall be deposited in ground bunkers with the maximum height to the top of the material cone not to exceed 15 feet above elevation of cone base. . Front end operator may reposition material by flattening E cone or spreading material, as outlined under 6.2.6, thereby 5 allowing the material handler to deposit additional material 8 on top of the base of material. However, in no case shall u, the total material' height exceed 9 feet above the top of
- divider walls. Aggregates shall be deposited in stockpiles R where the average side slopes are less than 30 feet in x length from the top of the material cone to the material
[ . bench level. E 6.2 Front End Loader Operator U M 13 y
s - f.hA3G0 $3ilCEd CiGOTJ0.uTZ3 ,R. CP-703 1
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'dATIRIORD SIIAM. E:.ICIC STATION -4:::::: No. 3 l? AGE:4 CT 11 l o.2.i Prior to daily production and periodically during daily operations, front end loader (FEL) operator shall inspect i loader for any oil or hydraulic fluid leaks and mud that might be on tires, loader bucket, or loader frame. Any oil or hydraulic fluid leaks shall be reported to Plant Supervisor for repair. If loader has oil or hydraulic fluid leaks. loader shall not be placed on any material pile or be used in a manner to contaminate tihe piles and if oil or hydraulic fluid falls on areas adjacent to stockpiles, no w material vill be unloaded on these areas until the oil or
@ hydraulic fluid is cleaned up. 1.oader bucket, tires, and Z frame must be maintained in clean condition at all times.
3 g B 6.2.2 Aggregate ground hoppers for the primary plant shall usually w be maintained full with the northern most hopper, for 1" g . material, middle hopper for sand, and the southern most
= hopper for the 1/2" material. The ground hopper for the g backup plant is to be empty except while in use.
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! Aggregate ground bunkers are numbered starting at the O northern most pile closest to the railroad spur and
;- proceeding counter clockwise. Plant Supervisor may 3 designate changes in materials stored in any given bunker 5 number. A sketch or a memo / letter shall be maintained in cia the control room showing what material is stored in each g ground bunker.
h 6.2.3 Main plant overhead aggregate bins are numbered starting at the northwest bin and proceeding clockwise as shown below: E - 3 Bin Number Materials 8
, 1 1" -
- 3 Sand R 5 1/2" x
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6 1/2"
- 4 Sand y 2 1" w '
$ Main plant has two cement silos which are interconnected.
g Cement Bin Number 1 is located on the north side while Cement Bin Number 2 is located on the south side. Main plant automation is designed to automatically maintain each bin full; however, at the end of each production day, each sand bin shall be emptied. 4
IJ:ASCO $2. iCF.3 GGGiJ0.WC ,.0. c.o_vn, ! UATIRFORD C IAy. II.IC MO STA~*0N - f.".CT NO. 3 5 oy 11 lPACI: 6.2.4 Any material designated as non-conferring material be yC . Inspector shall be removed from plant and placed in vaste i ground bin for later disposal. 6.2.5 Loader operator shall use aggregate from piles that have been approved as conforming materials as marked with green flags. Piles that have a red flag shall not be used. Plant
,,_-_ _- Su2ervisor shall indiente which pile is co be used first when more than one pile of a given size of aggregate has y been approved.
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E 6.2.6 Aggregates that are delivered by truck may be stockpiled or
'5 benched by front end loader operator into aggregate piles s not to exceed 15 feet in height.
- s g 6.2.7 Front end loader operator shall withdraw 1" material from
= stockpiles in such a way as to reduce possible aggregate g separation. When material stockpile exceeds 15 feet in e height and removal of material forms a surface where the s aggregate slopes are in excess of 30 feet in length, the O front and loader operator shall remove the material from the g stockpile at an elevation as high as can be reached y practically by front and loader operator without placing ---
Si front end loader on the aggregate pile. The purpose of this mi action is to form a bench of material thereby reducing the g length of the side slopes and any possible segregation. T 5; 6.3 Batchman E , 6.3.1 All batch designs or changes in any batch design shall be 5 docu= anted.on Concrete Mix Design Work Sheet (See form under 8 Section 7.1.1). Before any new mix design is entered in the
, Computer, QC Inspe*ctor or Plant Supervisor shall review and
- approve mix design. Under normal conditions any change in any P mix design shall be submitted on Concrete Mix Design Work Sheet
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z and approved by QC Inspector or Plant Supervisor prior to entry'
. of changes into the computer. However, during ongoing placement
{ operations, mix design adjustments may be ordered as a result of field conditions, and in the absence of the QC Inspector and
$i Plant Supervisor, the batchman shall fill out the Concrete Mix
{ Design Work Sheet indicating needea change (s) at which time the lab inspector or Engineer will authorize the changes. Batchman shall then enter changes into plant computer and log time and date under appropriate plant number. 1
ISAdLG 3*l.' ICED GC0FJU.u!IO . ..u . CP-70) ;
.,, . B WANCK3 S~.M21 E*IC3 0 $~A!!ON - CC" NO. 3 IPAG;: 6 Cy 11 l
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, ,4, 3 6.3.2 Daily, prior te any cen:re:e pout, ba::h:2n shall produc a l
list of all =ix designs to be used during the day stored in computer showing weights and types of all =aterials in each mix design. QC Inspector shall review and approve all designs to be used prior to batching. Should plant automation systenbe ouc of service, batchman will use manual mode using weights as approved by QC Inspector. B 6.1.3 Daily, prior to first concrete pour, batchman shall ensure y overhead aggregate bins are full or have sufficient s quantities for the schedule yardage for the day, and obtain approval from QC Inspector that coarse aggregate free 5 moisture and aggregate ratio, as shown by mix design E printout, or manual weights, as shown on Concrete Mix Design a
. Work Sheet, is correct.
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- 6. 3'. 4 Maximum volume of concrete placed in any truck mixer shall y be limited to the truck rated mixer capacity except where y the plant mixer is used as a central mixer at which time a 5 maximum of 10 cubic yards may be mixed. Under normal C conditions the plant central mixer will be used as a shrink p; mixer; but if the aggregate gradation, changes or if any of E the materials overweighed beyond the scale tolerances, the 5 overweighed material shall be removed.or an additional s amount of material up to one cubic yard can be weighed, correcting for overweights, and added to mix. Add.itional
$y asterial weights will be added to ticked and signed by lab E
inspector or Engineer prior to delivery. From either plant . using the plant automation, the minimum load that shall be E automatically batched will be 4 cubic yards. For loads 5' smaller than 4 cubic yards, the manual system shall be used 8 with the udnimum 1,oad batched being 1 cubic yard. V1
= 6.3.5 Plant mixer shall be cleaned during the work day where there E is a job delay of one hour or longer. At the and of the z day, mixer is to be cleaned at the direction of the Plant
,, . Supervisor. Any buildup of concrete in the mixer will be g cleaned from mixer as directed by Plant Supervisor.
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$E 6.3.6 Batchman shall have a chorough working knowledge of the fj plant automation system as detailed by Automation Centrol Electronics Company (ACECO) booklet on file at the batch i
plant control room. Batchman shall also have complete knowledge of delivery ticket.
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ilaaw" 5's.'1 Cad L46.E!) Aa.*IO _ .J. CP-703
'JA IrCK3 S I.U'. E* IC3:0 ST. CON - Cr.; NC. 3 7 Cy lPAGI: 11 ]
L 6.3.7 Bat:nman shall be rescansible for the weighinc of all materials within tolerances. For =aterials underweighed, barch=an will =anually bring the weights to within tolerances. For materials overweighed, batch =an will either re=ove access =aterials or weigh an additional yard of
=acerials as provided for under Section 6.3.5 & 6.3.4 6.3.8 Batch =mn shall inspect the complete admix aystes daily including: storage, pump. lines and meters for any defective y operation; and if leaks or other deficiencies are noted, g batchsan shall report these to the Pl.at Sc7ervisor.
E! 6.3.9 Satch=an shall inspect daily the duct collector syste= for y the main plant central =1xer and the backup plant proper a
. operation. Failure of either system shall not stop
$ operations but =ust be reported to Plant Supervisor for
- equipment repair. Cement silo dust collectors shall be y inspected weekly for proper operation.
i 5 CE 6.3.10 Manual batching shall be used only where concrete loads of G 1ess than 4 cubic yards are required or when the main plant p; or backup automation systems are not functional. Individual
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- veights for each material, as shown on the Concrete Mix E
5E Design Work Sheet, shall be used to deter =ine the w accumulative weights for the size of load required.
$ Batchman shall make manual adjustment for sand moisture as 3 shown on Concrete Mix Design Work Sheet, with sand moisture 32 correction being deducted from batch water weights. All .
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veights shall be visually inspected on digital readouts, and E actual weights for all materials entered on concrete il delivery ticket. All weights shall be checked against 8 tolerance limits and all values witnessed and initialed by un batchman and inspe'etor representatives. Sequence and rate of
- material discharge into central mixer or backup plant truck mixer E shall be controlled by batchman to ensure adequate mixing 3 sequence.
us y 6.'3.11 Following are (1) Ready Mix Concrete Delivery Ticket g Information, and (2) Copy of Ready Mix Concrete Delivery
< Ticket: -
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ihadCU SLi.'!CES L5Js.(FJia:I; , ..J . CF-7C3
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4 6.4 Concrete Truck Drivers 6.4.1 Ever truck driver shall be instructed by Plant Supervisor or his designee as to pour location, truck routing, and delivery ticket content. Specific items on delivery ticket requiring truck drivers' attention are as follows: A. Mix design code H. Test cylinder taken I B. Delivery co I. Time poured out 1 y C. Special Instructions J. Time at plant ) Q D. Job number K. Customer signature !
- E. Truck. Drive L. Time at gate 5 F. Water added to slump M. Time at pour site i G. Water added customer request x
$ . Fist copy of delivery ticket shall be retained by plant
- batchman; remaining four copies shall be given to driver.
g The delivery tickets that the driver receives shall be
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j signed and retained by the customer's representative at the 5 point of delivery until completion of the pour. At that G time, all top copies with sigt.atures, time and required g information recorded shall be returned,to the plant.
- Remaining thres copies of delivery tickets shall be retained 5 by the customer.
$ 6.4.2 Truck drivers shall be instructed in use of special job dual
;: mixer counters, and are responsible for resetting counters
$ to zero after loading. Plant Supervisor shall verify that .
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driver understands use of these counters. E
= 6.4.3 Prior to any concrete pour and between every load, driver of a
8 every truck shall dump any water from mixer before
., positioning truck *under plant for loading. When concrete
- pours re delayed longer than one hour, drivers shall rinse E crucks' mixer drums and completely dump all washout water in z washout pit area.
vs 3 At and of day everj truck shall be cleaned out by standard (( procedure. No dumping of washout water or waste concrete in Le areas other than washout pit area shall be allowed except as specifically authorized by Engineer, Plant Supervisor or QC
-{ Inspector.
6.4.4 Prior to positioning truck under plant ior loading, driver
,shall verify that water valve is closed and that no water is retained in mixer drum.
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. 13A400 .W.A.lC;5 .2 JE202n:-- . ..J . CP-703 1
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l'A IP.7::PJ. SII.ui ~:.' C3 C S*.A-*:N - C;~~ No . 3 l PA%: 9 CT 11 l , ,4, I e 6.4.5 Cenerete truck driver shall be instructed tnat free cine . l that charging is conpleted, driver must safely drive truck l to construction entrance gate within 5 =inutes with =ixer at agitating speed. QC Inspector. Plant Supervisor, or lab inspectcr nay require concrete tests at plant that will delay cruck; ctherwise, it is the driver's responsibil ty to safely drive truck to gate within 5 minutes. After truck meriv== ne pour site, any slump adjustment shall be made
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under the direction of the Engineer's QC Inspector only. z Any final slump adjustment shall be cempleted within a
@ =aximum of 130 revolutiona of mixer drum at mixing speed.
Any water added shall be noted on deliver ticket, and driver E shall niso. notify plant of amount of water added. E ' a
. 6.4.6 Concrete truck drivers are required to have passes to enter
$ construction gate. Passes shall be obtained from Plant
- Supervisor or QC Inspector and shall be returned at the end of the day.
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5 6.5 Plant Supervisor C
; 6.5.1 Plant Supervisor's overall responsibilities are for the 5 total production requirements of project includkeg- material E scheduling, plant personnel training and operation, plant w certification, plant maintenance, truck scheduling, safety, and y supervising procedures required to implement Quality Assurance
- Program.
c Z - 6.5.2 Plant Supervisor shall be responsible for all production E reports and purchase orders as may be required. Daily Plant 5 production reports shall include information as to all rail 8 cars and trucks by numbers for aggregate, admix, and cement u, received.
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P 6.5.3 Plant Supervisor shall schedule timely certifications on z plant and equipment for following equipment: A. NRMCA certification - 2 years I 5.E B. Plant scales and digital readouts - 90 days E C. Water meter and admix counter - 90 days D. Ready six truck inspection - 6 months E. Uniformity tests - 6 months y
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'JATTPJORD STI.Oi E*IC~1!O STA!!ON - 1;NTT NO. 3 PAGE: 10 0F 11 vest
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.go 6.5.' Plant Supervisor shall be responsible for the training and work performed by the following:
A. Material Handler, See Section 6.1 B. Front End Loader Operator, See section 6.2 C. Batchman, Sees Section 6.3. D. Concrete Truck Drivers, Section 6.4 x j 6.5.5 Plant Supervisor shall take necessary action for the proper plant maintenance to include: 3
$ A. Preventative maintenance program s: - $ B. Equipment repair . =
y - C. Area maintenance and drainage 5 D. Maintain proper suppliers of spare parts, oils. 5 O greases and fuels 5 6.5.6 Plant Supervisor shall determine hours of operation for
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5 plant crew
- s tj 6.5.7 Plant Supervisor shall instruct ready mix drivers and plant h production crew in the proper operation of the truck washout
$ pit and shall inspect area daily for proper operation and .
maintenance. E m 6.5.8 Plant Supervisor shall be responsible for checking material 8 inventories and ordering additional materials from approved
. suppliers. =
F 6.5.9 Plant Supervisor shall be responsible for determining need
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z for and use of the following:
$ a) Hot or cold water.
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$i b) Ice and crushing equipment
,c) Aggregate Pile Spray equipment and conveyor belt spray bars.
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l ESASCO SERVICES INCORPORATED NO. cp_7n3 ISSUE: B WATERFORD STEN: ELECTRIC STATION - UNIT NO. 3 PACE: 11 OF it i l 7.0 ANAC10'.D;TS 7.1 Master Equipment Calibration List. 7.2 Concrete Mix Design k*ork Sheet. c C 3
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CONCRETE MIX DESIGN WORK SHEET WATERFORD lit SES CCnS*JUCliCn TCiting c '112 FCPM P.O PBN4A4752 l COMPUTER MIX DESIGN NO. DATE CLASS OF CONCRETE j PLACEMENT DESIGN % FREE WEtGMT ACJUSTED 550 wTS. MO STORE CCRRECTlCNS e WTS. TO SE USED MATERtAL 1.1st Agg.1* %
- 2. 2nd Agg. % * % --
- 3. 3rd Agg. Sand
- 4. Cement
- 5. Water 6.1st Admix AEA ot at
- 7. 2nd Admix 25XL ot at
} 8. 3rd Admix 25R ot OL i GEO Construction Testing, Inc. Ebasco Services. Inc. Date & Time j . Ebasco Q.C. Inspector . Cate & Time
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TIME ENTE' RED Pt. ANT COMPUTER aas tuam PLAwn ass teacnue PLANT) TIME BATCHMAN l I O SLUMP CONTROL USED O SLUMP CONTROL NOT USED TORM CF-70F1 11 ,
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EBASCO SERVICES. INC.
. TAFT. LOUISIANA R"GY
. MIy. 00N03072 DELI'.'ERY TICi*i !
1570RMATt0M Following information is tabulated to explain procedures, indicated values, equipment limitations and to identify codes on ready nix concrete delivery tickets for the primary plant. Copy of ticket attached for reference. Overall Ticket Information: Ticket consists of a 5-parc serialized proprinted delivery ticket that includes the truck delivery ticket information and required digitally recorded information. The initial disposition of each ticket is printed on each copy and is as follows: Copy #1 - Plant Copy - To be retained at batch plant af ter batch is complete. Copy #2 - Driver's Delivery Copy - To be returned to batch plant after concrete delivery is completed. Copies #3. 4. 5 - Customer's Copies (#1, 2, 3) - To be given to Contractor or Designee. j Time Stampa: Adequate space is provided at the top of delivery ticket for Ebasco's time stamp showing when the truck entered the construction site entrance gate and when the concrete was finally discharged or when the truck was releases to return to plant. Customer's Sinnature is to be signed prior to concrete discharge and prior to separation of Driver's Delivery Copy from Customer's three copies. Batchman's sinnature (or initials) to be entered after batching and before r piant copy is removed. SOLD T0: This section consists of.two typed lines of data from the " Customer Section" of the computer. Each line of data consists of 25 characters or spaces for customer ID pour identification, six design data, etc. FIRST LINE: Customer name and pour location. Customer Name - ESASCO SES3 (11 spaces includes 1 blank space) Pour Location - A number to be supplied by Ebasco at time of initial l order placement. This number will be a 2-part number, the first part being up to 6 digits referring to the d'rawing number where the pour is shown, the second part of up to 6Lcharacters (numbers / letters) that
- identifies the pour number on that drawing (total of 13 spaces). The
- Customer Name and Four Location is to be separated by a blank space.
! i.e.: ESASCO SES3 123456-123 AS (Total of 25 spaces). SECOND LINE: This line identifies six design and is divided into five groups where ares i *
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- 1. Ci m of Cr :reen - Class of cen::c:o as epo:1fted in centicet, i.e.
a) AA - 4.CCO PS Ticket shows AA b) A - 3.$CO PSI A
- ) 3 - 3.000 ?Si "
3 d) C - 2.1 % PS C e) D - 2.VJ0 PSI s f) I - Stabill:ed Sand P.iz " I g) T - Mortar T l
- 2. Sestin and Revisten Nush.=r - This is one number vtich n.sy he f elleved by a Le :er revision. i.e. A or 1A; 2. 2A; 23. etc. As an example. The AA concrete six any have three various mixes depending upon field co di: inns.
i.e. l AA - 1 Design 1. eo revisions l AA - 23 Oesign 2 with 2 revisicas ! AA - 3A Design 3 vi:n 1 revision i etc. l
- 3. Pennds ef Cesen design is based en. As in the three examples referenced in :.o. 4 aseve. assume 211x 1 is $647. F.ix 2C is $177. Y.1x 3A is tilt. then this would becces:
AA $64 AA $17 AA - 3A - 611 4 Adair provided in c ncrete. All concrete that requires a Type A water recacing admixture or a Type 3 water reducing set retarding adaiz:ure vill be identified with the letters F3A. i.e. AA-1-$44-F3A. "Aere a given six design does not require a Type A or D admixture. then the identificati:n PDA will not be shcws.
- 5. Special Teasersture Cesditiens: The last section is reserved for special concrete canaiticas. The codes used are as follows:
i
. EV - Beated Mixing Water CW - Chilled Mining Water ICI - Ice added to aim i
As an example, where chilled mixing water and ice have been added to the concrete. the second line wesid be AA-23-517-FDA-CW/ ICE (Total 20 spaces) The above six identification procedure has three primary ebjectivest ! 1. Mix design on each ticket readily identifiable f or plant perseesel as well as Dasco's field personae 1.
- 2. Special six requiressats shown for plaat and field verification.
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- 3. A method to fecilitste cancr:ta pricing that id:ntifica all of th3 c ntreet previsions.
DELIVERED T0: (Job Location) This area provided for any handwritten data that is required for jeb location. 1 SPECIAL INSTRUCT 10NS1 This area provided tot any nandwritten special j instructions required for delivery, pricing, etc. PREPRINTED DATA BLOCKS Line 1 - Plant Number - Primary Plant - #439 l Batch Number - soth plaats will keep a sequential number of up to six digits signifying the " number of batches" that either plant has batched. This batch number may be reJet to 1 at any given time. ! monthly yearly, etc. This number identifies the batch or load number but does not identify batches according to class or six design. ! Job Number - Identifies the six design job number that is stored in the cesputer memory. This is a two digit number, I through 32. 1 i Desian Number - Identifies the six design number that is stored in the computer memory. This is a two digit number, 1 through 63. { l Stuao Adjust - This number is the pounds of water per cubic yard of j concrete that has been either added to or subtracted from the six i design as called for under the pre-programmed six design section. i j Water either added or subtracted to a given six in this area is added or subtracted through the " Slump Adjust" dial on the Control Panel. j The weight of water is shown on a cubic ystd basis and is empressed in !
, units med tenths of a pound. i.e. :
1 !
- -2.1 would be 2.1#/cu. yd. of water subtracted from a given six. l i
! Moisture 3 - This is the percentage of free moisture as recorded by 1 the sand probe. This probe is located Lamediately above the sand bis discharge gate. This moisture indication is controlled !' automatically by the asisture aster or it is controlled manually. The
- indicator will show units and tenths of a percent. i.e. 4.6 for 4.61.
l Truck Yards - This is the cubic yards of concrete' contained in this l batch. Primary plant is equipped with a 10 cubic yard aimer while ;
- both plaats have 10 cubic yard batchers and as such, this value can go up to 10. For a load of 94 cubic yards, this figure must be shows a j 9.25. i i
i Yard Ordered - For each job, this is the total number of cubic yards 2 of coserete ordered that to this load still has to be delivered. ' I This value does NOT inci e cubic yards of concrete that is being j delivered by this hatch of coserete. I . e a i 90- ' 4 i l
Y-rds Delivered - Fst ccch job, this is tha tetsi numbsr cf cubic ytras et etner:co that h:c b: n batch:d prier es chio ic:d A3 En example, assume a 200 cubic yard concrete pour. 9 cubic yard loads. 7 9 i loads have been batched and sent to job; this ticket represents the Sch load, the ticket will ahov the fallowing: Truck Yards - 9.00 Yards Ordered - 137.00 (200.00 less 7x9=63 = 137.00) Yards Delivered - 63.00 (7x9-e3.00) ~ LINE 2 - Ann Zero Actual scale reading of the three individual batchers
- Cement Zero prior to start of batch weighing operations. s With
- Water Zero the use of the ACECO computer control panel, no batch can be started unless scales are within the scale zero tolerance.
Sand Bin - This is the sand bin number that the sand was drawn from. The north sand bin is Sin Number 3 while the south sand bin is Bin Number 4 in the main plant while the backup plant sand bin-is Bin Number 2. Admix % Adjust - 1st - Basic mix designs as entered into the computer 2nd assumes a given dosage rate for the air entraining 3rd admixtare and for the Type A or D admixture. For each job using a given mix, the amount of admixture is controlled by this % Adjust selection section. As an example, if a given six has 2 ox. of air per cubic yard and 3 ou per sack of cement, Type D admix is the given dosage rate and
. field conditions require an additional 1 4
on. cf Type D, then the second admix will be included by . j 133(h100=133%). j On the other hand, if only 2 es. per sack is needed, then the factor would be 1 67%( 3 100-67%) If no change is called for free basic mix design then 100 will be printed in these sections. Ice - This is the total pounds of ice added per batch. Ice will be weighed on a separate scale. This amount of ice is entered into the console and is recorded in this section. The total pounds of ice as entered in this section is subtracted fron the pounds of water as batched and recorded on Line 3. 4 i j -9E-
LINE 3 - 1st Agg - N:t ecight for ccch eggr:gato. R cstds in prunda
- 2n" Azz - for ccch cggrcgato is rcc rd:d in cggrcg-to . - 3rd Agg - blocks along with the aggregate bin number. The aggregate bin assignments normally made for the primsry plant are as follows:
Bin 1 - 1" - 4" Coarse Aggregate Sin 2 - 1" - b" Coarse Aggregate Bin 3 - SAND Bin 4 - SAND Bin 5 - h" - #4 Coarse Aggregate Bin 6 - h" - #4 Coarse Aggregate The aggregate bin assignments normally made for the backup plant are as follows: Bin 1 - 1" - h" Coarse Aggregate Bin 2 - SAND Bin 3 - \" - #4 Coarse Aggregate Cement - Net weight recorded in pounds for cement is recorded in cement block along with the silo number. On the primary plant, the north silo is Number i south silo is Number 2. For the backup plant, the silo is always Number 1. Water - Net weight recorded in pounds for water is recorded in water block along with the type of water being used. Water type Number 1 is used when regular tap water is being used and N.aber 2 is used when processed water (heated or chilled) is being ased. Water batched is based on mix design adjusted by the slump adjust indicator less the amount of free moisture in the concrete sand as indicated by the moisture meter and less any ice added to mix.
. 1st Admix - This delivery ticket is set up to allow the addition 2nd Admix - of up to three admixes in any one batch. The eBount 3rd Admix - as indicated for any admixture is ounces per batch.
The number that appears under the Type block indicates the admix dispenser number. The material dispensed by each dispenser number is as follows: Type 1 - Protex Industries, Protex Air - Entraining Solution. Type 2 - Protex Industries, PDA-251L Ad-aixture ASTM Type A. Type 3 - Protex Industries PDA-25R Ad-mixture, ASTM Type D. LINE 4 Date and Time - Indicates sonth, day, year - hour (based on 24 hour military time), minutes and seconds. i.e. 05/28/75 07:15:30
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Mixer llatnr,- UstGr cddsd thrcugh th2 1" metar located n:sr petsary picnt clx3r is record:d es gs11ons cna tenths of gallons p;r hatch. Backup plant does not have enis provision and as !, such, vill always print a zero. T.uck Nuttar - The stact truck proJuctier. nu:ber is printed hera.
*ocal Vater Per Yard - Tctal free water available for concrete six per cuote yard is recorded in this block as pounds per cubic yard. This figure tsies into account the free moisture in the sand as shown on Line 1, pounds of ice per batch as shown on Line
- 2. water batches as shown on Line 3. and the gallons of water introduced into the mLx through the mixer noter (main plant only) water system, all corrected for batch size to give pounds of water per cubic yard.
Water added to Slump - Gallons of water added to load by Ebasco's Concrete Supervisor. Water added to $1 ump - Gallons of water added to load
. upon direction of Eessco's Quality Control Field Inspector.
LINE 5 - Time Peured out - Time that concrete poured out or truck is released by contractor. This time block will be used caly if time stamp is not available or in operations and is to be filled t La by hand. ' Time at Plant - Time truck arrives back at concrete plant. This time is to be noted by truck driver on driver's ticket copy ocly. CENERAL: Corrections to be made to information shown in the data block of the batch ticket shall consist of a single 11a= drawn through the existing notation, and the new data shall be entered legibly above the lined out entry. All corrections shall be initialed by 1 the individual who made the change. l Write-in entries for missing data shall be handled in a like manner as above. i i i I l l
> READY MIX CONCRETE DELIVERY TICKET INFORMAT20N 2
i The f ol19wi.ng ir.for .atica is intended to explain the values, am racerded on the ready mix delivery ticket, ror the "zero scale" readings and for the "weignes" of materials. This information is a supplement to the ready mix delivery ticket information sheet that was sent to Ebasco on June 13, 1975 copy attached for refarence. On Line 2 there are three blocks for aggregate, cement, and water " sero" scale readings. The actual scale readings will be printed in these blocks. There is a " sero" interlock that prevents any batch' cycle from starting if the scale j reading on any batcher is our by more than three scale divisions. Otherwise, the automation will print the actual scala reading and will indicate either plus or minus for the value printed. On Line 3 the not weights for each material is printed in the appropriate block; this weight will correct for the sero scale readings. l' As an example. let's assume the following mix designi Cement - 4978 Agg 1 - 11098 l i Agg 2 - 733W Agg 3 - 1277f (SSD) j Water - 258f Air - 1 os. Water Reducer - 21 os. ASSUME 7% sand mixture. 9 cubic yards load and the aggregate batcher zero reading is - 80f (-2 scale divisions). The batch sequence will be , I Material Weights latcher Cutoff Print-On Ticket j Ass 1 1109x9 = 9981 9981-80 = 9901 9901-(-40) = 9981 i j Agg 2 733n9 - 6597 9981+6597-80 = 16.498 16.494-9901 = 6597 Agg 3 1277m9/1.07 = 12.297 9981+6597+12.297-28.795 28,795-16.498=12.297 - l The water and cement batcher work in exsetly the same manner. From this you can see that if there is a "plus" scale value, then it would be corrected in exactly the same manner. The not result of this batch systes is the most accurate batching of materials possible for a concrete plant. ,, .i 3
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