ML20197A565

Rev 10 to Spec 9763-8-4, Spec for Bedding,Backfilling & Compaction for Nonsafety-Related Sys & Structures for Public Svc Co of New Hampshire,Seabrook Station,Units 1 & 2

ML20197A565
Person / Time
Site:	Seabrook
Issue date:	03/16/1986
From:	Desai A, Hulshizer A, Johari Moore UNITED ENGINEERS & CONSTRUCTORS, INC.
To:
Shared Package
ML20197A518	List: ML20197A513 ML20197A565 ML20197A624
References
9763-8-4, NUDOCS 8605120345
Download: ML20197A565 (4)

Text

~.  ; s .. rw. t .// i s

< i ). ;

s Q uttted engineem-_

30 South 17th Street. Philadelphia. Pe.101 (p

0 C

SPECIFICATION ,

FOR BEDDINGmBAckFILLING AND COMPACTIM_ ,

FOR NON-SAFETY REIATED SYSTEMS AND STRUb711R5S FOR PUBLIC SERVICZ COMPANY OF NE1J HA'.'PSHIRE SEA 3ROOR STATION

~ UNIT NOS. 1 & 2 t

Specification No. : 9763-8-4 Revisions Dater ' September 27, 1974

! No. Date Prep.

By Checked By Approved By Prepared By: [I v/ / #4-

,' !' '<I *

"l1% B2 .9/171 ff$MX t

Checked By: d. k #..

O s (.f 4 2

3 m ca.< su tewc

[,/g[,ff/j/[, 3k.6 /[f[f[ Appraved By:

.. >. o..

4 Wl6{15 O.f4  % kN & Approved By:

^

p{~;hsj X /( -

?' f L ,. , ,/ .u -

5 l/2/76 0.RG SK6 [hM//d D.-H.'Rhcads

=

blu ses if/,# $}&DUi

[~7 l' A/7v. 5 d. AIO 84@k$. . :.

. 3 retyrod 2/:1c:5

,n '~~

~~ ' ". '. . . , ~ ~

h O U.1/21/77bU~C f 3 E 2s [ k(M'[)k' 8605120345 860507 l9 f3 I',f['/ [ D 7 ,t".. h Ci"._C .w/,., . "*H,..'[

PDR A

ADOCK 05000443 PDR i

h i O b I2.'EIl D'I Y l N C. S (lfh[ o'.;,4 f

T t.

1.0 SCOPE OF WORK This specification covers the furnishing of all labor, matarials tools, equipment and supervision necessary for i performing filling, backfilling and compaction work for non- A safety related systema and structures of the Seabrook station.

1.1 WORK INCLUDED L

The work specified herein includes, but is not limited to, the followingt.

1.1.1 Furnishing of earth fill material.

1.1.2 Backfilling and compacting in excavated areas as shown on the drawings.

1.1.3 Placing and compacting fill.

1.1.4 survey lines and grades from control lines and bench marks furnished by Others.

1.1 5 support and protect all exposed utilities during periods of backfilling and compaction installation and later remove supports or other protection as directed by the Construction Managers .

1.1.6 Remove sheeting and shoring of earth and rock banks and slopes during backfilling and compaction as directed by the Construction Hanagers.

1.1.7 Excavate for, prepare bedding and backfill for direct burial power cable.

, 1.1.8 Foundation bedding for non-safety related structures.

l l

f l

I l

l t

Spec. No. 9763-8-4

?sge :::. 1

.: ._ M ::: : - EE ar .:: : J-  :-91 "a ~ --

y' s

\

2.0 APPLICABLE DOCUMENTS 2.1 DRAWINGS The work covered by this specification is shown and called for on the drawings listed in the applicable Contract.

2.2 C00ES, STANDARDS AND SPECIPICATIONS of The following codes, specifications and standards, shall be ,

considered an integral part of this specification. The latest edition of these codes and standards, and other tests and Jhf-standards referenced therein, as applicable, in effect or promulgated at the time of Contract award, shall apply, d 2.2.1 American Society for Testing and Naterials

. (1916 Race Street, Philadelphia, Pa. 19103)

D 422 Standard Method for Particle-Size Analysis of Soils D 1556 Standard Method of Test for Density of Soil in Place by the Sand-Cone Method.

D 1557 Standard Methods of Test for Moisture-Density Relations of Soils Using 10 lb. Rammer and 18 inch Drop; (Method Revised for Tunnel Cuttings).

, D 2922 Standard Method of Test for Density

! of Soil and soil-Aggregate in Place by Nuclear Method.

l l D 3017 Standard Method of Test for Moisture

Content of soil and Soil-Aggregate in i

Place by Nuclear Method.

i United Engineers & Constructor, Inc.

(30 South 17th Streec, Philadelphia, Pa. 19101) i ,j' f-Specification No. Clearing, Crubbing, Rough Grading 9763-8-2 and Excavation Specification No. Non-Category 1 Concrete Work 9763-13-4 l

Specification No. Standard Concrete Mixes 9763-69-7 Spec. No. 9763-6 .

l Page No. 3

, , . . _ . _ _e .. . - . . - - - ...

3.3 PLACING RANDOM F'ILL 3.3.1 a) Rando= soil fill shall be placed in lifts noe exceeding twelve (12) inches loose thickness. Each lift shall receive a minimum of two complete passes of compaccing equipment and additional passes as required to obtain noc less than 90% of the manimum density shuwn on the dry weight curve as determined by the modified Proctor Compaction Test (ASTM D1557). Water concent shall be uniform. Finished surfaces shall be free of ruta. No puddling or ponding vill be permitted.

b) Tunnel cuttings use'd as random fill shall be placed in lifts not exceeding twelve (12) inches loose thickness.

Each lift shall receive a minimum of two (2) complete passes of compacting equipment and additional passes as y required to obtain not less than 90% of the maximum /'

density shown on the dry weight curve as determined by '

the Revised Hodified Proctor Compaction Test (ASTM D 1557). Water content shall be uniform. Tinished eurfaces shall be free of ruts. No puddling or ponding will be permitted.

3.3.2 Deleted

,(

.3.3.3 Each layer of fill shall be thoroughly compacted before the next layer is placed. The surface of each layer shall be approximately horizontal without humps or hollows.

-(

l l

l l

{

1 s

(

Spec. :, c . 97t.1 : -

Fqe k. ?I