VOL3.PDF

VOLUME 3 OF 3

SOLICITATION NO: W9127820R0004

CADD CODE: MEF17001

SPECIFICATIONS

FOR

FUEL TANK REPLACEMENT

PATRICK AIR FORCE BASE, FLORIDA

(BREVARD COUNTY)

“GOOD ENGINEERING RESULTS IN A BETTER ENVIRONMENT”

U.S. ARMY ENGINEER DISTRICT, MOBILE

109 St. Joseph St

Mobile, Alabama 36602

This page was intentionally left blank for duplex printing.

REPLACE FUEL TANKS W9127820R0004

PATRICK AIR FORCE BASE, FLORIDA MEF17001

Table of Contents Page 1

TABLE OF CONTENTS

VOLUME 1 OF 3

CHECKLIST FOR PREPARATION OF OFFERS

BIDDING REQUIREMENTS

Contract Clauses

STANDARD FORM 1442 - SOLICITATION, OFFER, AND AWARD

BIDDING SCHEDULE

EXPLANATION OF BID ITEMS

STANDARD FORM 24 - BID BOND

STANDARD FORM 28 - AFFIDAVIT OF INDIVIDUAL SURETY

STANDARD FORM LLL - DISCLOSURE OF LOBBYING ACTIVITIES

00 11 00 PROPOSAL SUBMISSION REQUIREMENTS AND INSTRUCTIONS

00 12 00 EVALUATION CRITERIA AND BASIS OF AWARD

00 21 16 INSTRUCTION TO PROPOSERS

00 45 00 REPRESENTATIONS AND CERTIFICATIONS

00 70 00 CONTRACT CLAUSES

CESAM FORM 1151, PROMPT PAYMENT CERTIFICATION AND SUPPORTING

DATA FOR CONTRACTOR PROGRESS PAYMENT INVOICE

SPECIFICATIONS

DIVISION 01 - GENERAL REQUIREMENTS

01 00 00 ADDITIONAL SPECIAL CONTRACT REQUIREMENTS

EP310-1-6a PROJECT SIGNS

DD FORM 1354

DD FORM 1354 CHECKLIST

WAGE RATES

01 00 01 GENERAL CONTRACT REQUIREMENTS

01 32 01.00 10 PROJECT SCHEDULE

01 33 00 SUBMITTAL PROCEDURES

SUBMITTAL REGISTER

FORM 4025

01 35 26 GOVERNMENTAL SAFETY REQUIREMENTS

01 42 00 SOURCES FOR REFERENCE PUBLICATIONS

01 45 00.00 10 QUALITY CONTROL

01 45 00.15 10 RESIDENT MANAGEMENT SYSTEM CONTRACTOR MODE (RMS CM)

SAM FORM 696

01 50 00 TEMPORARY CONSTRUCTION FACILITIES AND CONTROLS

01 57 19 TEMPORARY ENVIRONMENTAL CONTROLS

01 74 19 CONSTRUCTION AND DEMOLITION WASTE MANAGEMENT

01 78 23 OPERATION AND MAINTENANCE DATA

01 78 23.33 OPERATION AND MAINTENANCE MANUALS FOR AVIATION FUEL SYSTEMS

DIVISION 02 – EXISTING CONDITIONS

02 41 00 DEMOLITION

DIVISION 03 – CONCRETE

03 30 00 CAST-IN-PLACE CONCRETE

Table of Contents Page 2

DIVISON 04 – MASONRY

04 20 00 UNIT MASONRY

DIVIONS 05 – METALS

05 12 00 STRUCTURAL STEEL

05 21 00 STEEL JOIST FRAMING

05 30 00 STEEL DECKS

05 40 00 COLD-FORMED METAL FRAMING

05 50 13 MISCELLANEOUS METAL FABRICATION

05 50 14 STRUCTURAL METAL FABRICATIONS

05 51 00 METAL STAIRS

05 51 33 METAL LADDERS

05 52 00 METAL RAILINGS

DIVISION 06 – WOOD, PLASTICS, AND COMPOSITES

06 10 00 ROUGH CARPENTRY

06 61 16 SOLID POLYMER (SOLID SURFACING) FABRICATIONS

VOLUME 2 OF 3

DIVISION 07 – THERMAL AND MOISTURE PROTECTION

07 05 23 PRESSURE TESTING AN AIR BARRIER SYSTEM FOR AIR TIGHTNESS

07 13 53 ELASTOMERIC SHEET WATERPROOFING

07 21 13 BOARD AND BLOCK INSULATION

07 21 16 MINERAL FIBER BLANKET INSULATION

07 21 29 SPRAYED INSULATION

07 22 00 ROOF AND DECK INSULATION

07 27 10.00 10 BUILDING AIR BARRIER SYSTEM

07 27 26 FLUID-APPLIED MEMBRANE AIR BARRIERS

07 52 00 MODIFIED BITUMINOUS MEMBRANE ROOFING

07 60 00 FLASHING AND SHEET METAL

07 84 00 FIRESTOPPING

07 92 00 JOINT SEALANTS

DIVIONS 08 – OPENINGS

08 11 13 STEEL DOORS AND FRAMES

08 71 00 DOOR HARDWARE

08 81 00 GLAZING

08 88 10 FIRE RATED HURRICANE SYSTEM GLAZING AND FRAMING

08 91 00 METAL WALL LOUVERS

DIVISION 09 – FINISHES

09 22 00 SUPPORTS FOR PLASTER AND GYPSUM BOARD

09 29 00 GYPSUM BOARD

09 51 00 ACOUSTICAL CEILINGS

09 65 00 RESILIENT FLOORING

09 90 00 PAINTS AND COATINGS

09 97 13.17 THREE COAT EPOXY INTERIOR COATING OF WELDED STEEL PETROLEUM

FUEL TANKS

09 97 13.27 EXTERIOR COATING OF STEEL STRUCTURES

Table of Contents Page 3

DIVISION 10 – SPECIALTIES

10 44 16 FIRE EXTINGUISHERS

DIVISION 12 - FURNISHINGS

12 21 00 WINDOW BLINDS

DIVISION 13 - SPECIAL CONSTRUCTION

13 34 19 METAL BUILDING SYSTEMS

DIVISION 22 – PLUMBING

22 00 00 PLUMBING, GENERAL PURPOSE

22 07 19 PLUMBING PIPING INSULATION

DIVISION 23 – HEATING, VENTILATING, AND AIR CONDITIONGING (HVAC)

23 00 00 AIR SUPPLY, DISTRIBUTION, VENTILATION & EXHAUST SYSTEMS

23 23 00 REFRIGERANT PIPING

23 81 00.00 20 UNITARY AIR CONDITIONING EQUIPMENT

DIVISION 26 – ELECTRICAL

26 00 00.00 20 BASIC ELECTRICAL MATERIALS AND METHODS

26 08 00 APPARATUS INSPECTION AND TESTING

26 12 19.10 THREE-PHASE PAD-MOUNTED TRANSFORMERS

26 20 00 INTERIOR DISTRIBUTION SYSTEM

26 41 00 LIGHTNING PROTECTION SYSTEM

26 42 14.00 10 CATHODIC PROTECTION SYSTEM (SACRIFICIAL ANODE)

26 42 17.00 10 CATHODIC PROTECTION SYSTEM (IMPRESSED CURRENT)

26 51 00 INTERIOR LIGHTING

26 56 00 EXTERIOR LIGHTING

DIVISION 28 – ELECTRONIC SAFETY AND SECURITY

28 31 00.00 10 FIRE DETECTION AND ALARM SYSTEM, DIRECT CURRENT LOOP

VOLUME 3 OF 3

DIVISION 31 – EARTHWORK

31 00 00 EARTHWORK

31 31 16.13 CHEMICAL TERMITE CONTROL

31 32 11 SOIL SURFACE EROSION CONTROL

DIVISION 32 – EXTERIOR IMPROVEMENTS

32 01 19 FIELD MOLDED SEALANTS FOR SEALING JOINTS IN RIGID PAVEMENTS

32 11 23 GRADED-CRUSHED AGGREGATE BASE COURSE

32 12 16 HOT-MIX ASPHALT (HMA) FOR ROADS

32 13 15.20 CONCRETE PAVEMENT FOR CONTAINMENT DIKES

32 15 00 AGGREGATE SURFACING

32 16 13 CONCRETE SIDEWALKS AND CURBS AND GUTTERS

Table of Contents Page 4

32 31 13.53 HIGH-SECURITY CHAIN LINK FENCES AND GATES

32 92 19 SEEDING

DIVISION 33 – UTILITIES

33 01 50.01 CLEANING FUEL STORAGE TANKS

33 08 55 COMMISSIONING OF FUEL FACILITY SYSTEMS

ATTACHMENT 1 – EQUIPMENT TESTS

ATTACHMENT 2 – PERFORMANCE TESTING

33 09 53 AVIATION FUEL PUMP CONTROL AND ANNUNCIATION SYSTEM

33 11 00 WATER DISTRIBUTION SYSTEM

33 40 00 STORM DRAINAGE UTILITIES

33 52 43.11 AVIATION FUEL MECHANICAL EQUIPMENT

33 52 43.13 AVIATION FUEL PIPING

33 52 43.14 AVIATION FUEL CONTROL VALVES

33 52 43.23 AVIATION FUEL PUMPS

33 52 43.28 FILTER SEPARATOR, AVIATION FUELING SYSTEM

33 56 13.13 STEEL TANKS WITH FIXED ROOFS

33 56 13.15 UNDERTANK INTERSTITIAL SPACE

33 56 19 FUEL IMPERMEABLE LINER SYSTEM

33 71 02 UNDERGROUND ELECTRICAL DISTRIBUTION

APPENDICES

APPENDIX A GEOTECHNICAL REPORT

APPENDIX B OFFLOAD PIPING DRAWINGS

--End of Project Table of Contents--

PATRI CK AI R FORCE BASE, FLORI DA MEF17001

SECTI ON 31 00 00

EARTHWORK

08/08

PART 1 GENERAL

1. 1 REFERENCES

The publ i cat i ons l i s t ed bel ow f or m a par t of t hi s speci f i cat i on t o t he ext ent r ef er enced. The publ i cat i ons ar e r ef er r ed t o wi t hi n t he t ext by t he basi c desi gnat i on onl y.

AMERI CAN ASSOCI ATI ON OF STATE HI GHWAY AND TRANSPORTATI ON OFFI CI ALS

(AASHTO)

AASHTO T 180 ( 2010) St andar d Met hod of Test f or Moi st ur e- Densi t y Rel at i ons of Soi l s Usi ng a 4. 54- kg ( 10- l b) Rammer and a 457- mm ( 18- i n. ) Dr op

AASHTO T 224 ( 2010) St andar d Met hod of Test f or Cor r ect i on f or Coar se Par t i c l es i n t he Soi l Compact i on Test

AMERI CAN WATER WORKS ASSOCI ATI ON ( AWWA)

AWWA C600 ( 2010) I nst al l at i on of Duct i l e- I r on Wat er Mai ns and Thei r Appur t enances

ASTM I NTERNATI ONAL ( ASTM)

ASTM C136 ( 2014) St andar d Test Met hod f or Si eve Anal ysi s of Fi ne and Coar se Aggr egat es

ASTM C33/ C33M ( 2013) St andar d Speci f i cat i on f or Concr et e Aggregates

ASTM D1140 ( 2014) Amount of Mat er i al i n Soi l s Fi ner t han t he No. 200 ( 75- mi cr omet er ) Si eve

ASTM D1556 ( 2007) Densi t y and Uni t Wei ght of Soi l i n Pl ace by t he Sand- Cone Met hod

ASTM D1557 ( 2012) St andar d Test Met hods f or Labor at or y Compact i on Char act er i s t i cs of Soi l Usi ng Modi f i ed Ef f or t ( 56, 000 f t - l bf / f t 3) ( 2700 kN- m/ m3)

ASTM D2487 ( 2011) Soi l s f or Engi neer i ng Pur poses ( Uni f i ed Soi l Cl assi f i cat i on Syst em)

ASTM D422 ( 1963; R 2007; E 2014; E 2014)

Par t i c l e- Si ze Anal ysi s of Soi l s

ASTM D4318 ( 2010; E 2014) Li qui d Li mi t , Pl ast i c Li mi t , and Pl ast i c i t y I ndex of Soi l s

SECTI ON 31 00 00 Page 1

ASTM D6938 ( 2010) St andar d Test Met hod f or I n- Pl ace Densi t y and Wat er Cont ent of Soi l and Soi l - Aggr egat e by Nucl ear Met hods ( Shal l ow Depth)

ASTM D698 ( 2012; E 2014) Labor at or y Compact i on Char act er i st i cs of Soi l Usi ng St andar d Ef f or t ( 12, 400 f t - l bf / cu. f t . ( 600 kN- m/ cu. m. ) )

U. S. ENVI RONMENTAL PROTECTI ON AGENCY ( EPA)

EPA 600/ 4- 79/ 020 ( 1983) Met hods f or Chemi cal Anal ysi s of Wat er and Wast es

EPA SW- 846. 3- 3 ( 1999, Thi r d Edi t i on, Updat e I I I - A) Test Met hods f or Eval uat i ng Sol i d Wast e:

Physi cal / Chemi cal Met hods

1. 2 DEFINITIONS

1. 2. 1 Sat i sf act or y Mat er i al s

Sat i sf act or y mat er i al s compr i se any mat er i al s c l assi f i ed by ASTM D2487 as

GW, GP, GM, GP- GM, GW- GM, GC, GP- GC, GM- GC, SW, SP, SP- SM, SP- SC.

Sat i sf act or y mat er i al s f or gr adi ng compr i se st ones l ess t han 8 i nches, except f or f i l l mat er i al f or pavement s and r ai l r oads whi ch compr i se st ones l ess t han 3 i nches i n any di mensi on.

1. 2. 2 Unsat i sf act or y Mat er i al s

Mat er i al s whi ch do not compl y wi t h t he r equi r ement s f or sat i sf act or y mat er i al s ar e unsat i sf act or y. Unsat i sf act or y mat er i al s al so i ncl ude man- made f i l l s ; t r ash; r ef use; backf i l l s f r om pr evi ous const r uct i on;

cont ami nat ed mat er i al s; and mat er i al c l assi f i ed as sat i sf act or y whi ch cont ai ns r oot and ot her or gani c mat t er or f r ozen mat er i al . Not i f y t he Cont r act i ng Of f i cer when encount er i ng any cont ami nat ed mat er i al s.

1. 2. 3 Cohesi onl ess and Cohesi ve Mat er i al s

Cohesi onl ess mat er i al s i ncl ude mat er i al s c l assi f i ed i n ASTM D2487 as GW, GP, SW, and SP. Cohesi ve mat er i al s i ncl ude mat er i al s c l assi f i ed as GC, SC, ML, CL, MH, and CH. Mat er i al s c l assi f i ed as GM and SM wi l l be i dent i f i ed as cohesi onl ess onl y when t he f i nes ar e nonpl ast i c . Per f or m t est i ng, r equi r ed f or c l assi f y i ng mat er i al s, i n accor dance wi t h ASTM D4318, ASTM C136, ASTM D422, and ASTM D1140.

1. 2. 4 Degr ee of Compact i on

Degr ee of compact i on r equi r ed, except as not ed i n t he second sent ence, i s expr essed as a per cent age of t he maxi mum densi t y obt ai ned by t he t est pr ocedur e pr esent ed i n ASTM D1557 abbr evi at ed as a per cent of l abor at or y maxi mum densi t y. Si nce ASTM D1557 appl i es onl y t o soi l s t hat have 30 per cent or l ess by wei ght of t hei r par t i c l es r et ai ned on t he 3/ 4 i nch s i eve, expr ess t he degr ee of compact i on f or mat er i al havi ng mor e t han 30 per cent by wei ght of t hei r par t i c l es r et ai ned on t he 3/ 4 i nch s i eve as a per cent age of t he maxi mum densi t y i n accor dance wi t h AASHTO T 180 and cor r ect ed wi t h AASHTO T 224. To mai nt ai n t he same per cent age of coar se

SECTI ON 31 00 00 Page 2 mat er i al , use t he " r emove and r epl ace" pr ocedur e as descr i bed i n NOTE 8 of Par agr aph 7. 2 i n AASHTO T 180.

1. 2. 5 Topsoil

Mat er i al sui t abl e f or t opsoi l s obt ai ned f r om of f s i t e ar eas and excavat i ons i s def i ned as: Nat ur al , f r i abl e soi l r epr esent at i ve of pr oduct i ve, wel l - dr ai ned soi l s i n t he ar ea, f r ee of subsoi l , s t umps, r ocks l ar ger t han one i nch di amet er , br ush, weeds, t oxi c subst ances, and ot her mat er i al det r i ment al t o pl ant gr owt h. Amend t opsoi l pH r ange t o obt ai n a pH of 5. 5 t o 7.

1. 2. 6 Har d/ Unyi el di ng Mat er i al s

Har d/ Unyi el di ng mat er i al s compr i se weat her ed r ock, dense consol i dat ed deposi t s, or congl omer at e mat er i al s whi ch ar e not i ncl uded i n t he def i ni t i on of " r ock" wi t h st ones gr eat er t han 3 i nch i n any di mensi on or as def i ned by t he pi pe manuf act ur er , whi chever i s smal l er . These mat er i al s usual l y r equi r e t he use of heavy excavat i on equi pment , r i pper t eet h, or j ack hammer s f or r emoval .

1. 2. 7 Rock

Sol i d homogeneous i nt er l ocki ng cr yst al l i ne mat er i al wi t h f i r ml y cement ed, l ami nat ed, or f ol i at ed masses or congl omer at e deposi t s, nei t her of whi ch can be r emoved wi t hout syst emat i c dr i l l i ng and bl ast i ng, dr i l l i ng and t he use of expansi on j acks or f eat her wedges, or t he use of backhoe- mount ed pneumat i c hol e puncher s or r ock br eaker s; al so l ar ge boul der s, bur i ed masonr y, or concr et e ot her t han pavement exceedi ng 1/ 2 cubi c yar d i n vol ume. Removal of har d mat er i al wi l l not be consi der ed r ock excavat i on because of i nt er mi t t ent dr i l l i ng and bl ast i ng t hat i s per f or med mer el y t o i ncr ease pr oduct i on.

1. 2. 8 Unst abl e Mat er i al

Unst abl e mat er i al s ar e t oo wet t o pr oper l y suppor t t he ut i l i t y pi pe, condui t , or appur t enant st r uct ur e.

1. 2. 9 Sel ect Gr anul ar Mat er i al

1. 2. 9. 1 Gener al Requi r ement s

Sel ect gr anul ar mat er i al consi st of mat er i al s c l assi f i ed as GW, GP, SW, SP, or by ASTM D2487 wher e i ndi cat ed. The l i qui d l i mi t of such mat er i al must not exceed 35 per cent when t est ed i n accor dance wi t h ASTM D4318. The pl ast i c i t y i ndex must not be gr eat er t han 12 per cent when t est ed i n accor dance wi t h ASTM D4318, and not mor e t han 35 per cent by wei ght may be f i ner t han No. 200 si eve when t est ed i n accor dance wi t h ASTM D1140.

1. 2. 10 I ni t i al Backf i l l Mat er i al

I ni t i al backf i l l consi st s of sel ect gr anul ar mat er i al or sat i sf act or y mat er i al s f r ee f r om r ocks 3 i nches or l ar ger i n any di mensi on or f r ee f r om r ocks of such s i ze as r ecommended by t he pi pe manuf act ur er , whi chever i s smal l er . When t he pi pe i s coat ed or wr apped f or cor r osi on pr ot ect i on, f r ee t he i ni t i al backf i l l mat er i al of st ones l ar ger t han 3 i nches i n any di mensi on or as r ecommended by t he pi pe manuf act ur er , whi chever i s smal l er .

SECTI ON 31 00 00 Page 3

1. 2. 11 Expansi ve Soi l s

Expansi ve soi l s ar e def i ned as soi l s t hat have a pl ast i c i t y i ndex equal t o or gr eat er t han 20 when t est ed i n accor dance wi t h ASTM D4318.

1. 2. 12 Nonf r ost Suscept i bl e ( NFS) Mat er i al

Nonf r ost suscept i bl e mat er i al ar e a uni f or ml y gr aded washed sand wi t h a maxi mum par t i c l e s i ze of 1 i nch and l ess t han 5 per cent passi ng t he No. 200 si ze s i eve, and wi t h not mor e t han 3 per cent by wei ght f i ner t han 0. 02 mm gr ai n s i ze.

1. 3 SYSTEM DESCRI PTI ON

Subsur f ace soi l bor i ng l ogs ar e appended t o t he SPECI AL CONTRACT REQUI REMENTS. The subsoi l i nvest i gat i on r epor t i i s i ncl uded i n t he cont r act document . These dat a r epr esent t he best subsur f ace i nf or mat i on avai l abl e; however , var i at i ons may exi st i n t he subsur f ace bet ween bor i ng locations.

1. 3. 1 Cl assi f i cat i on of Excavat i on

No consi der at i on wi l l be gi ven t o t he nat ur e of t he mat er i al s, and al l excavat i on wi l l be desi gnat ed as uncl assi f i ed excavat i on.

1. 3. 2 Blasting

Bl ast i ng wi l l not be per mi t t ed.

1. 3. 3 Dewat er i ng Wor k Pl an

Submi t pr ocedur es f or accompl i shi ng dewat er i ng wor k.

1. 4 SUBMITTALS

Gover nment appr oval i s r equi r ed f or submi t t al s wi t h a " G" desi gnat i on;

submi t t al s not havi ng a " G" desi gnat i on ar e f or i nf or mat i on onl y. When used, a desi gnat i on f ol l owi ng t he " G" desi gnat i on i dent i f i es t he of f i ce t hat wi l l r evi ew t he submi t t al f or t he Gover nment . Submi t t he f ol l owi ng i n accor dance wi t h Sect i on 01 33 00 SUBMI TTAL PROCEDURES:

SD- 01 Pr econst r uct i on Submi t t al s

Shor i ng; G

Dewat er i ng Wor k Pl an; G

SD- 03 Pr oduct Dat a

Ut i l i zat i on of Excavat ed Mat er i al s; G

Shoul der Const r uct i on SD- 06 Test Repor t s

Testing

Bor r ow Si t e Test i ng

SD- 07 Cer t i f i cat es

SECTI ON 31 00 00 Page 4

Testing

PART 2 PRODUCTS

2. 1 REQUI REMENTS FOR OFFSI TE SOI LS

Test of f s i t e soi l s br ought i n f or use as backf i l l f or Tot al Pet r ol eum Hydr ocar bons ( TPH) , Benzene, Tol uene, Et hyl Benzene, and Xyl ene ( BTEX) and f ul l Toxi c i t y Char act er i st i c Leachi ng Pr ocedur e ( TCLP) i ncl udi ng i gni t abi l i t y , cor r osi v i t y and r eact i v i t y. Backf i l l shal l cont ai n a maxi mum of 100 par t s per mi l l i on ( ppm) of t ot al pet r ol eum hydr ocar bons ( TPH) and a maxi mum of 10 ppm of t he sum of Benzene, Tol uene, Et hyl Benzene, and Xyl ene ( BTEX) and shal l pass t he TCPL t est . Det er mi ne TPH concent r at i ons by usi ng EPA 600/ 4- 79/ 020 Met hod 418. 1. Det er mi ne BTEX concent r at i ons by usi ng EPA SW- 846. 3- 3 Met hod 5030/ 8020. Per f or m TCLP i n accor dance wi t h EPA SW- 846. 3- 3 Met hod 1311. Pr ovi de Bor r ow Si t e Test i ng f or TPH, BTEX and TCLP f r om a composi t e sampl e of mat er i al f r om t he bor r ow si t e, wi t h at l east one t est f r om each bor r ow s i t e. Do not br i ng mat er i al onsi t e unt i l t est s have been appr oved by t he Cont r act i ng Of f i cer .

2. 2 BURI ED WARNI NG AND I DENTI FI CATI ON TAPE

Pr ovi de met al l i c cor e or met al l i c- f aced, aci d- and al kal i - r esi st ant , pol yet hyl ene pl ast i c war ni ng t ape manuf act ur ed speci f i cal l y f or war ni ng and i dent i f i cat i on of bur i ed ut i l i t y l i nes. Pr ovi de t ape on r ol l s , 3 i nches mi ni mum wi dt h, col or coded as speci f i ed bel ow f or t he i nt ended ut i l i t y wi t h war ni ng and i dent i f i cat i on i mpr i nt ed i n bol d bl ack l et t er s cont i nuousl y over t he ent i r e t ape l engt h. War ni ng and i dent i f i cat i on t o r ead, " CAUTI ON, BURI ED ( i nt ended ser vi ce) LI NE BELOW" or s i mi l ar wor di ng. Pr ovi de per manent col or and pr i nt i ng, unaf f ect ed by moi st ur e or soi l .

War ni ng Tape Col or Codes

Red Electric

Yellow Gas, Oi l ; Danger ous Mat er i al s

Orange Tel ephone and Ot her Communi cat i ons

Blue Wat er Syst ems

Green Sewer Syst ems

White St eam Syst ems

Gray Compr essed Ai r

2. 2. 1 War ni ng Tape f or Met al l i c Pi pi ng

Pr ovi de aci d and al kal i - r esi st ant pol yet hyl ene pl ast i c t ape conf or mi ng t o t he wi dt h, col or , and pr i nt i ng r equi r ement s speci f i ed above, wi t h a mi ni mum t hi ckness of 0. 003 i nch and a mi ni mum st r engt h of 1500 psi l engt hwi se, and 1250 psi cr osswi se, wi t h a maxi mum 350 per cent el ongat i on.

SECTI ON 31 00 00 Page 5

2. 2. 2 Det ect abl e War ni ng Tape f or Non- Met al l i c Pi pi ng

Pr ovi de pol yet hyl ene pl ast i c t ape conf or mi ng t o t he wi dt h, col or , and pr i nt i ng r equi r ement s speci f i ed above, wi t h a mi ni mum t hi ckness of 0. 004 i nch, and a mi ni mum st r engt h of 1500 psi l engt hwi se and 1250 psi cr osswi se. Manuf act ur e t ape wi t h i nt egr al wi r es, f oi l backi ng, or ot her means of enabl i ng det ect i on by a met al det ect or when t ape i s bur i ed up t o 3 f eet deep. Encase met al l i c el ement of t he t ape i n a pr ot ect i ve j acket or pr ovi de wi t h ot her means of cor r osi on pr ot ect i on.

2. 3 DETECTI ON WI RE FOR NON- METALLI C PI PI NG

I nsul at e a s i ngl e st r and, sol i d copper det ect i on wi r e wi t h a mi ni mum of 12

AWG.

2. 4 CAPI LLARY WATER BARRI ER

Pr ovi de capi l l ar y wat er bar r i er of c l ean, poor l y gr aded cr ushed r ock, cr ushed gr avel , or uncr ushed gr avel pl aced beneat h a bui l di ng s l ab wi t h or wi t hout a vapor bar r i er t o cut of f t he capi l l ar y f l ow of por e wat er t o t he ar ea i mmedi at el y bel ow. Conf or m t o ASTM C33/ C33M f or f i ne aggr egat e gr adi ng wi t h a maxi mum of 3 per cent by wei ght passi ng ASTM D1140, No. 200 sieve.

PART 3 EXECUTI ON

3. 1 STRI PPI NG OF TOPSOI L

Wher e i ndi cat ed or di r ect ed, st r i p t opsoi l t o a dept h of 4 i nches. Spr ead t opsoi l on ar eas al r eady gr aded and pr epar ed f or t opsoi l , or t r anspor t ed and deposi t ed i n st ockpi l es conveni ent t o ar eas t hat ar e t o r ecei ve appl i cat i on of t he t opsoi l l at er , or at l ocat i ons i ndi cat ed or speci f i ed.

Keep t opsoi l separ at e f r om ot her excavat ed mat er i al s, br ush, l i t t er , obj ect i onabl e weeds, r oot s, st ones l ar ger t han 2 i nches i n di amet er , and ot her mat er i al s t hat woul d i nt er f er e wi t h pl ant i ng and mai nt enance oper at i ons. St ockpi l e i n l ocat i ons appr oved by t he Cont r act i ng Of f i cer .

3. 2 GENERAL EXCAVATI ON

Per f or m excavat i on of ever y t ype of mat er i al encount er ed wi t hi n t he l i mi t s of t he pr oj ect t o t he l i nes, gr ades, and el evat i ons i ndi cat ed and as speci f i ed. Per f or m t he gr adi ng i n accor dance wi t h t he t ypi cal sect i ons shown and t he t ol er ances speci f i ed i n par agr aph FI NI SHI NG. Tr anspor t sat i sf act or y excavat ed mat er i al s and pl ace i n f i l l or embankment wi t hi n t he l i mi t s of t he wor k. Excavat e unsat i sf act or y mat er i al s encount er ed wi t hi n t he l i mi t s of t he wor k bel ow gr ade and r epl ace wi t h sat i sf act or y mat er i al s as di r ect ed. I ncl ude such excavat ed mat er i al and t he sat i sf act or y mat er i al or der ed as r epl acement i n excavat i on. Di spose sur pl us sat i sf act or y excavat ed mat er i al not r equi r ed f or f i l l or embankment i n ar eas appr oved f or sur pl us mat er i al st or age or desi gnat ed wast e ar eas. Di spose unsat i sf act or y excavat ed mat er i al i n desi gnat ed wast e or spoi l ar eas.

Dur i ng const r uct i on, per f or m excavat i on and f i l l i n a manner and sequence t hat wi l l pr ovi de pr oper dr ai nage at al l t i mes. Excavat e mat er i al r equi r ed f or f i l l or embankment i n excess of t hat pr oduced by excavat i on wi t hi n t he gr adi ng l i mi t s f r om t he bor r ow ar eas i ndi cat ed or f r om ot her appr oved ar eas sel ect ed by t he Cont r act or as speci f i ed.

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3. 2. 1 Di t ches, Gut t er s, and Channel Changes

Fi ni sh excavat i on of di t ches, gut t er s, and channel changes by cut t i ng accur at el y t o t he cr oss sect i ons, gr ades, and el evat i ons shown on Dr awi ng Sheet s No. C- 131 and C- 132. Do not excavat e di t ches and gut t er s bel ow gr ades shown. Backf i l l t he excessi ve open di t ch or gut t er excavat i on wi t h sat i sf act or y, t hor oughl y compact ed, mat er i al or wi t h sui t abl e st one or cobbl e t o gr ades shown. Di spose excavat ed mat er i al as shown or as di r ect ed, except i n no case al l ow mat er i al be deposi t ed a maxi mum 4 f eet f r om edge of a di t ch. Mai nt ai n excavat i ons f r ee f r om det r i ment al quant i t i es of l eaves, br ush, st i cks, t r ash, and ot her debr i s unt i l f i nal accept ance of t he wor k.

3. 2. 2 Dr ai nage St r uct ur es

Make excavat i ons t o t he l i nes, gr ades, and el evat i ons shown, or as di r ect ed. Pr ovi de t r enches and f oundat i on pi t s of suf f i c i ent s i ze t o per mi t t he pl acement and r emoval of f or ms f or t he f ul l l engt h and wi dt h of st r uct ur e f oot i ngs and f oundat i ons as shown. Cl ean r ock or ot her har d f oundat i on mat er i al of l oose debr i s and cut t o a f i r m, l evel , st epped, or ser r at ed sur f ace. Remove l oose di s i nt egr at ed r ock and t hi n st r at a. Do not di st ur b t he bot t om of t he excavat i on when concr et e or masonr y i s t o be pl aced i n an excavat ed ar ea. Do not excavat e t o t he f i nal gr ade l evel unt i l j ust bef or e t he concr et e or masonr y i s t o be pl aced.

3. 2. 3 Drainage

Pr ovi de f or t he col l ect i on and di sposal of sur f ace and subsur f ace wat er encount er ed dur i ng const r uct i on. Compl et el y dr ai n const r uct i on s i t e dur i ng per i ods of const r uct i on t o keep soi l mat er i al s suf f i c i ent l y dr y. Const r uct st or m dr ai nage f eat ur es ( ponds/ basi ns) at t he ear l i est st ages of s i t e devel opment , and t hr oughout const r uct i on gr ade t he const r uct i on ar ea t o pr ovi de posi t i ve sur f ace wat er r unof f away f r om t he const r uct i on act i v i t y or pr ovi de t empor ar y di t ches, swal es, and ot her dr ai nage f eat ur es and equi pment as r equi r ed t o mai nt ai n dr y soi l s . When unsui t abl e wor ki ng pl at f or ms f or equi pment oper at i on and unsui t abl e soi l suppor t f or subsequent const r uct i on f eat ur es devel op, r emove unsui t abl e mat er i al and pr ovi de new soi l mat er i al as speci f i ed her ei n. I t i s t he r esponsi bi l i t y of t he Cont r act or t o assess t he soi l and gr ound wat er condi t i ons pr esent ed by t he pl ans and speci f i cat i ons and t o empl oy necessar y measur es t o per mi t const r uct i on t o pr oceed.

3. 2. 4 Dewatering

Cont r ol gr oundwat er f l owi ng t owar d or i nt o excavat i ons t o pr event s l oughi ng of excavat i on s l opes and wal l s, boi l s , upl i f t and heave i n t he excavat i on and t o el i mi nat e i nt er f er ence wi t h or der l y pr ogr ess of const r uct i on. Do not per mi t Fr ench dr ai ns, sumps, di t ches or t r enches wi t hi n 3 f eet of t he f oundat i on of any st r uct ur e, except wi t h speci f i c wr i t t en appr oval , and af t er speci f i c cont r act ual pr ovi s i ons f or r est or at i on of t he f oundat i on ar ea have been made. Take cont r ol measur es by t he t i me t he excavat i on r eaches t he wat er l evel i n or der t o mai nt ai n t he i nt egr i t y of t he i n s i t u mat er i al . Whi l e t he excavat i on i s open, mai nt ai n t he wat er l evel cont i nuousl y, at l east 2 f eet bel ow t he wor ki ng l evel . Oper at e dewat er i ng syst em cont i nuousl y unt i l const r uct i on wor k bel ow exi st i ng wat er l evel s i s compl et e. Submi t per f or mance r ecor ds weekl y.

SECTI ON 31 00 00 Page 7

3. 2. 5 Tr ench Excavat i on Requi r ement s

Excavat e t he t r ench as r ecommended by t he manuf act ur er of t he pi pe t o be i nst al l ed. Sl ope t r ench wal l s bel ow t he t op of t he pi pe, or make ver t i cal , and of such wi dt h as r ecommended i n t he manuf act ur er ' s pr i nt ed i nst al l at i on manual . Pr ovi de ver t i cal t r ench wal l s wher e no manuf act ur er ' s pr i nt ed i nst al l at i on manual i s avai l abl e. Shor e t r ench wal l s mor e t han 4 f eet hi gh, cut back t o a st abl e s l ope, or pr ovi de wi t h equi val ent means of pr ot ect i on f or empl oyees who may be exposed t o movi ng gr ound or cave i n.

Shor e ver t i cal t r ench wal l s mor e t han 8 f eet hi gh. Excavat e t r ench wal l s whi ch ar e cut back t o at l east t he angl e of r epose of t he soi l . Gi ve speci al at t ent i on t o s l opes whi ch may be adver sel y af f ect ed by weat her or moi st ur e cont ent . Do not exceed t he t r ench wi dt h bel ow t he pi pe t op of 24 i nches pl us pi pe out s i de di amet er ( O. D. ) f or pi pes of l ess t han 24 i nches i nsi de di amet er , and do not exceed 36 i nches pl us pi pe out s i de di amet er f or s i zes l ar ger t han 24 i nches i nsi de di amet er . Wher e r ecommended t r ench wi dt hs ar e exceeded, pr ovi de r edesi gn, st r onger pi pe, or speci al i nst al l at i on pr ocedur es by t he Cont r act or . The Cont r act or i s r esponsi bl e f or t he cost of r edesi gn, st r onger pi pe, or speci al i nst al l at i on pr ocedur es wi t hout any addi t i onal cost t o t he Gover nment .

3. 2. 5. 1 Bot t om Pr epar at i on

Gr ade t he bot t oms of t r enches accur at el y t o pr ovi de uni f or m bear i ng and suppor t f or t he bot t om quadr ant of each sect i on of t he pi pe. Excavat e bel l hol es t o t he necessar y s i ze at each j oi nt or coupl i ng t o el i mi nat e poi nt bear i ng. Remove st ones of 3 i nch or gr eat er i n any di mensi on, or as r ecommended by t he pi pe manuf act ur er , whi chever i s smal l er , t o avoi d poi nt bearing.

3. 2. 5. 2 Removal of Unyi el di ng Mat er i al

Wher e over dept h i s not i ndi cat ed and unyi el di ng mat er i al i s encount er ed i n t he bot t om of t he t r ench, r emove such mat er i al 4 i nch bel ow t he r equi r ed gr ade and r epl aced wi t h sui t abl e mat er i al s as pr ovi ded i n par agr aph

BACKFI LLI NG AND COMPACTI ON.

3. 2. 5. 3 Removal of Unst abl e Mat er i al

Wher e unst abl e mat er i al i s encount er ed i n t he bot t om of t he t r ench, r emove such mat er i al t o t he dept h di r ect ed and r epl ace i t t o t he pr oper gr ade wi t h sel ect gr anul ar mat er i al as pr ovi ded i n par agr aph BACKFI LLI NG AND COMPACTI ON. When r emoval of unst abl e mat er i al i s r equi r ed due t o t he Cont r act or ' s f aul t or negl ect i n per f or mi ng t he wor k, t he Cont r act or i s r esponsi bl e f or excavat i ng t he r esul t i ng mat er i al and r epl aci ng i t wi t hout addi t i onal cost t o t he Gover nment .

3. 2. 5. 4 Excavat i on f or Appur t enances

Pr ovi de excavat i on f or manhol es, cat ch- basi ns, i nl et s, or s i mi l ar st r uct ur es suf f i c i ent t o l eave at l east 12 i nches c l ear bet ween t he out er st r uct ur e sur f aces and t he f ace of t he excavat i on or suppor t member s. Cl ean r ock or l oose debr i s and cut t o a f i r m sur f ace ei t her l evel , st epped, or ser r at ed, as shown or as di r ect ed. Remove l oose di s i nt egr at ed r ock and t hi n st r at a. Speci f y r emoval of unst abl e mat er i al . When concr et e or masonr y i s t o be pl aced i n an excavat ed ar ea, t ake speci al car e not t o di st ur b t he bot t om of t he excavat i on. Do not excavat e t o t he f i nal gr ade l evel unt i l j ust bef or e t he concr et e or masonr y i s t o be pl aced.

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3. 2. 5. 5 Jacki ng, Bor i ng, and Tunnel i ng

Unl ess ot her wi se i ndi cat ed, pr ovi de excavat i on by open cut except t hat sect i ons of a t r ench may be j acked, bor ed, or t unnel ed i f , i n t he opi ni on of t he Cont r act i ng Of f i cer , t he pi pe, cabl e, or duct can be saf el y and pr oper l y i nst al l ed and backf i l l can be pr oper l y compact ed i n such sect i ons.

3. 2. 6 Under gr ound Ut i l i t i es

The Cont r act or i s r esponsi bl e f or movement of const r uct i on machi ner y and equi pment over pi pes and ut i l i t i es dur i ng const r uct i on. Per f or m wor k adj acent t o non- Gover nment ut i l i t i es as i ndi cat ed i n accor dance wi t h pr ocedur es out l i ned by ut i l i t y company. Excavat i on made wi t h power - dr i ven equi pment i s not per mi t t ed wi t hi n 2 f eet of known Gover nment - owned ut i l i t y or subsur f ace const r uct i on. For wor k i mmedi at el y adj acent t o or f or excavat i ons exposi ng a ut i l i t y or ot her bur i ed obst r uct i on, excavat e by hand. St ar t hand excavat i on on each si de of t he i ndi cat ed obst r uct i on and cont i nue unt i l t he obst r uct i on i s uncover ed or unt i l c l ear ance f or t he new gr ade i s assur ed. Suppor t uncover ed l i nes or ot her exi st i ng wor k af f ect ed by t he cont r act excavat i on unt i l appr oval f or backf i l l i s gr ant ed by t he Cont r act i ng Of f i cer . Repor t damage t o ut i l i t y l i nes or subsur f ace const r uct i on i mmedi at el y t o t he Cont r act i ng Of f i cer .

3. 3 OPENI NG AND DRAI NAGE OF EXCAVATI ON AND BORROW PI TS

Except as ot her wi se per mi t t ed, excavat e bor r ow pi t s and ot her excavat i on ar eas pr ovi di ng adequat e dr ai nage. Tr anspor t over bur den and ot her spoi l mat er i al t o desi gnat ed spoi l ar eas or ot her wi se di spose of as di r ect ed.

Pr ovi de neat l y t r i mmed and dr ai ned bor r ow pi t s af t er t he excavat i on i s completed. Ensur e t hat excavat i on of any ar ea, oper at i on of bor r ow pi t s, or dumpi ng of spoi l mat er i al r esul t s i n mi ni mum det r i ment al ef f ect s on nat ur al envi r onment al condi t i ons.

3. 4 SHORING

3. 4. 1 Gener al Requi r ement s

Submi t a Shor i ng and Sheet i ng pl an f or appr oval 15 days pr i or t o st ar t i ng wor k. Submi t dr awi ngs and cal cul at i ons, cer t i f i ed by a r egi st er ed pr of essi onal engi neer , descr i bi ng t he met hods f or shor i ng and sheet i ng of excavat i ons. Fi ni sh shor i ng, i nc l udi ng sheet pi l i ng, and i nst al l as necessar y t o pr ot ect wor kmen, banks, adj acent pavi ng, st r uct ur es, and ut i l i t i es. Remove shor i ng, br aci ng, and sheet i ng as excavat i ons ar e backf i l l ed, i n a manner t o pr event cavi ng.

3. 4. 2 Geot echni cal Engi neer

Hi r e a Pr of essi onal Geot echni cal Engi neer t o pr ovi de i nspect i on of excavat i ons and soi l / gr oundwat er condi t i ons t hr oughout const r uct i on. The Geot echni cal Engi neer i s r esponsi bl e f or per f or mi ng pr e- const r uct i on and per i odi c s i t e v i s i t s t hr oughout const r uct i on t o assess s i t e condi t i ons.

The Geot echni cal Engi neer i s r esponsi bl e f or updat i ng t he excavat i on, sheet i ng and dewat er i ng pl ans as const r uct i on pr ogr esses t o r ef l ect changi ng condi t i ons and submi t an updat ed pl an i f necessar y. Submi t a mont hl y wr i t t en r epor t , i nf or mi ng t he Cont r act or and Cont r act i ng Of f i cer of t he st at us of t he pl an and an account i ng of t he Cont r act or ' s adher ence t o t he pl an addr essi ng any pr esent or pot ent i al pr obl ems. The Cont r act i ng Of f i cer i s r esponsi bl e f or ar r angi ng meet i ngs wi t h t he Geot echni cal Engi neer at any t i me t hr oughout t he cont r act dur at i on.

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3. 5 GRADI NG AREAS

Wher e i ndi cat ed, di v i de wor k i nt o gr adi ng ar eas wi t hi n whi ch sat i sf act or y excavat ed mat er i al wi l l be pl aced i n embankment s, f i l l s , and r equi r ed backf i l l s . Do not haul sat i sf act or y mat er i al excavat ed i n one gr adi ng ar ea t o anot her gr adi ng ar ea except when so di r ect ed i n wr i t i ng. Pl ace and gr ade st ockpi l es of sat i sf act or y and unsat i sf act or y and wast ed mat er i al s as speci f i ed. Keep st ockpi l es i n a neat and wel l dr ai ned condi t i on, gi v i ng due consi der at i on t o dr ai nage at al l t i mes. Cl ear , gr ub, and seal by r ubber - t i r ed equi pment , t he gr ound sur f ace at st ockpi l e l ocat i ons;

separ at el y st ockpi l e excavat ed sat i sf act or y and unsat i sf act or y mat er i al s.

Pr ot ect st ockpi l es of sat i sf act or y mat er i al s f r om cont ami nat i on whi ch may dest r oy t he qual i t y and f i t ness of t he st ockpi l ed mat er i al . I f t he Cont r act or f ai l s t o pr ot ect t he st ockpi l es, and any mat er i al becomes unsat i sf act or y, r emove and r epl ace such mat er i al wi t h sat i sf act or y mat er i al f r om appr oved sour ces.

3. 6 FI NAL GRADE OF SURFACES TO SUPPORT CONCRETE

Do not excavat e t o f i nal gr ade unt i l j ust bef or e concr et e i s t o be pl aced.

Onl y use excavat i on met hods t hat wi l l l eave t he f oundat i on r ock i n a sol i d and unshat t er ed condi t i on. Roughen t he l evel sur f aces, and cut t he s l oped sur f aces, as i ndi cat ed, i nt o r ough st eps or benches t o pr ovi de a sat i sf act or y bond. Pr ot ect shal es f r om sl aki ng and al l sur f aces f r om er osi on r esul t i ng f r om pondi ng or wat er f l ow.

3. 7 GROUND SURFACE PREPARATI ON

3. 7. 1 Gener al Requi r ement s

Remove and r epl ace unsat i sf act or y mat er i al wi t h sat i sf act or y mat er i al s, as di r ect ed by t he Cont r act i ng Of f i cer , i n sur f aces t o r ecei ve f i l l or i n excavat ed ar eas. Scar i f y t he sur f ace t o a dept h of 6 i nches bef or e t he f i l l i s st ar t ed. Pl ow, st ep, bench, or br eak up s l oped sur f aces st eeper t han 1 ver t i cal t o 4 hor i zont al so t hat t he f i l l mat er i al wi l l bond wi t h t he exi st i ng mat er i al . When subgr ades ar e l ess t han t he speci f i ed densi t y, br eak up t he gr ound sur f ace t o a mi ni mum dept h of 6 i nches, pul ver i z i ng, and compact i ng t o t he speci f i ed densi t y. When t he subgr ade i s par t f i l l and par t excavat i on or nat ur al gr ound, scar i f y t he excavat ed or nat ur al gr ound por t i on t o a dept h of 12 i nches and compact i t as speci f i ed f or t he adj acent f i l l .

3. 7. 2 Fr ozen Mat er i al

Do not pl ace mat er i al on sur f aces t hat ar e muddy, f r ozen, or cont ai n f r ost . Fi ni sh compact i on by sheepsf oot r ol l er s, pneumat i c- t i r ed r ol l er s, st eel - wheel ed r ol l er s, or ot her appr oved equi pment wel l sui t ed t o t he soi l bei ng compact ed. Moi st en mat er i al as necessar y t o pr ovi de t he moi st ur e cont ent t hat wi l l r eadi l y f aci l i t at e obt ai ni ng t he speci f i ed compact i on wi t h t he equi pment used.

3. 8 UTI LI ZATI ON OF EXCAVATED MATERI ALS

Di spose unsat i sf act or y mat er i al s r emovi ng f r om excavat i ons i nt o desi gnat ed wast e di sposal or spoi l ar eas. Use sat i sf act or y mat er i al r emoved f r om excavat i ons, i nsof ar as pr act i cabl e, i n t he const r uct i on of f i l l s , embankment s, subgr ades, shoul der s, beddi ng ( as backf i l l ) , and f or s i mi l ar pur poses. Submi t pr ocedur e and l ocat i on f or di sposal of unused

SECTI ON 31 00 00 Page 10 sat i sf act or y mat er i al . Submi t pr oposed sour ce of bor r ow mat er i al . Do not wast e any sat i sf act or y excavat ed mat er i al wi t hout speci f i c wr i t t en aut hor i zat i on. Di spose of sat i sf act or y mat er i al , aut hor i zed t o be wast ed, i n desi gnat ed ar eas appr oved f or sur pl us mat er i al st or age or desi gnat ed wast e ar eas as di r ect ed. Cl ear and gr ub newl y desi gnat ed wast e ar eas on Gover nment - cont r ol l ed l and bef or e di sposal of wast e mat er i al t her eon.

St ockpi l e and use coar se r ock f r om excavat i ons f or const r uct i ng s l opes or embankment s adj acent t o st r eams, or s i des and bot t oms of channel s and f or pr ot ect i ng agai nst er osi on. Do not di spose excavat ed mat er i al t o obst r uct t he f l ow of any st r eam, endanger a par t l y f i ni shed st r uct ur e, i mpai r t he ef f i c i ency or appear ance of any st r uct ur e, or be det r i ment al t o t he compl et ed wor k i n any way.

3. 9 BURI ED TAPE AND DETECTI ON WI RE

3. 9. 1 Bur i ed War ni ng and I dent i f i cat i on Tape

Pr ovi de bur i ed ut i l i t y l i nes wi t h ut i l i t y i dent i f i cat i on t ape. Bur y t ape 12 i nches bel ow f i ni shed gr ade; under pavement s and sl abs, bur y t ape 6 i nches bel ow t op of subgr ade.

3. 10 BACKFI LLI NG AND COMPACTI ON

Pl ace backf i l l adj acent t o any and al l t ypes of st r uct ur es, and compact t o at l east 90 per cent l abor at or y maxi mum densi t y f or cohesi ve mat er i al s or 95 per cent l abor at or y maxi mum densi t y f or cohesi onl ess mat er i al s, t o pr event wedgi ng act i on or eccent r i c l oadi ng upon or agai nst t he st r uct ur e. Pr epar e gr ound sur f ace on whi ch backf i l l i s t o be pl aced and pr ovi de compact i on r equi r ement s f or backf i l l mat er i al s i n conf or mance wi t h t he appl i cabl e por t i ons of par agr aphs GROUND SURFACE PREPARATI ON. Fi ni sh compact i on by sheepsf oot r ol l er s, pneumat i c- t i r ed r ol l er s, st eel - wheel ed r ol l er s, v i br at or y compact or s, or ot her appr oved equi pment .

3. 10. 1 Tr ench Backf i l l

Backf i l l t r enches t o t he gr ade shown. Backf i l l t he t r ench t o 3 f eet above t he t op of pi pe pr i or t o per f or mi ng t he r equi r ed pr essur e t est s. Leave t he j oi nt s and coupl i ngs uncover ed dur i ng t he pr essur e t est .

3. 10. 1. 1 Repl acement of Unyi el di ng Mat er i al

Repl ace unyi el di ng mat er i al r emoved f r om t he bot t om of t he t r ench wi t h sel ect gr anul ar mat er i al or i ni t i al backf i l l mat er i al .

3. 10. 1. 2 Repl acement of Unst abl e Mat er i al

Repl ace unst abl e mat er i al r emoved f r om t he bot t om of t he t r ench or excavat i on wi t h sel ect gr anul ar mat er i al pl aced i n l ayer s not exceedi ng 6 i nches l oose t hi ckness.

3. 10. 1. 3 Beddi ng and I ni t i al Backf i l l

Pr ovi de beddi ng of t he t ype and t hi ckness shown. Pl ace i ni t i al backf i l l mat er i al and compact i t wi t h appr oved t amper s t o a hei ght of at l east one f oot above t he ut i l i t y pi pe or condui t . Br i ng up t he backf i l l evenl y on bot h s i des of t he pi pe f or t he f ul l l engt h of t he pi pe. Take car e t o ensur e t hor ough compact i on of t he f i l l under t he haunches of t he pi pe.

Except as speci f i ed ot her wi se i n t he i ndi v i dual pi pi ng sect i on, pr ovi de beddi ng f or bur i ed pi pi ng i n accor dance wi t h AWWA C600, Type 4, except as

SECTI ON 31 00 00 Page 11 speci f i ed her ei n. Compact backf i l l t o t op of pi pe t o 95 per cent of ASTM D698 maxi mum densi t y . Pr ovi de pl ast i c pi pi ng wi t h beddi ng t o spr i ng l i ne of pi pe. Pr ovi de mat er i al s as f ol l ows:

3. 10. 1. 3. 1 Cl ass I

Angul ar , 0. 25 t o 1. 5 i nch, gr aded st one, i ncl udi ng a number of f i l l mat er i al s t hat have r egi onal s i gni f i cance such as cor al , s l ag, c i nder s, cr ushed st one, and cr ushed shel l s .

3. 10. 1. 3. 2 Cl ass I I

Coar se sands and gr avel s wi t h maxi mum par t i c l e s i ze of 1. 5 i nch, i ncl udi ng var i ous gr aded sands and gr avel s cont ai ni ng smal l per cent ages of f i nes, gener al l y gr anul ar and noncohesi ve, ei t her wet or dr y. Soi l Types GW, GP, SW, and SP ar e i ncl uded i n t hi s c l ass as speci f i ed i n ASTM D2487.

3. 10. 1. 3. 3 Sand

Cl ean, coar se- gr ai ned sand cl assi f i ed as SW or SP by ASTM D2487 f or beddi ng and backf i l l as i ndi cat ed.

3. 10. 1. 3. 4 Gr avel and Cr ushed St one

Cl ean, coar sel y gr aded nat ur al gr avel , cr ushed st one or a combi nat i on t her eof i dent i f i ed as havi ng a c l assi f i cat i on of GW GP i n accor dance wi t h ASTM D2487 f or beddi ng and backf i l l as i ndi cat ed. Do not exceed maxi mum par t i c l e s i ze of 3 i nches.

3. 10. 1. 4 Fi nal Backf i l l

Fi l l t he r emai nder of t he t r ench, except f or speci al mat er i al s f or r oadways, r ai l r oads and ai r f i el ds, wi t h sat i sf act or y mat er i al . Pl ace backf i l l mat er i al and compact as f ol l ows:

3. 10. 1. 4. 1 Roadways, Rai l r oads, and Ai r f i el ds

Pl ace backf i l l up t o t he r equi r ed el evat i on as speci f i ed. Do not per mi t wat er f l oodi ng or j et t i ng met hods of compact i on.

3. 10. 1. 4. 2 Si dewal ks, Tur f ed or Seeded Ar eas and Mi scel l aneous Ar eas

Deposi t backf i l l i n l ayer s of a maxi mum of 12 i nches l oose t hi ckness, and compact i t t o 90 per cent maxi mum densi t y f or cohesi ve soi l s and 95 per cent maxi mum densi t y f or cohesi onl ess soi l s. Do not per mi t compact i on by wat er f l oodi ng or j et t i ng. Appl y t hi s r equi r ement t o al l ot her ar eas not speci f i cal l y desi gnat ed above.

3. 10. 2 Backf i l l f or Appur t enances

Af t er t he manhol e, cat chbasi n, i nl et , or s i mi l ar s t r uct ur e has been const r uct ed and t he concr et e has been al l owed t o cur e f or 5 days, pl ace backf i l l i n such a manner t hat t he st r uct ur e i s not be damaged by t he shock of f al l i ng ear t h. Deposi t t he backf i l l mat er i al , compact i t as speci f i ed f or f i nal backf i l l , and br i ng up t he backf i l l evenl y on al l s i des of t he st r uct ur e t o pr event eccent r i c l oadi ng and excessi ve st r ess.

SECTI ON 31 00 00 Page 12

3. 11 SPECI AL REQUI REMENTS

Speci al r equi r ement s f or bot h excavat i on and backf i l l r el at i ng t o t he speci f i c ut i l i t i es ar e as f ol l ows:

3. 11. 1 Wat er Li nes

Excavat e t r enches t o a dept h t hat pr ovi des a mi ni mum cover of 3 f eet f r om t he exi st i ng gr ound sur f ace, or f r om t he i ndi cat ed f i ni shed gr ade, whi chever i s l ower , t o t he t op of t he pi pe. For f i r e pr ot ect i on yar d mai ns or pi pi ng, an addi t i onal 12 i nch of cover i s r equi r ed.

3. 11. 2 El ect r i cal Di st r i but i on Syst em

Pr ovi de a mi ni mum cover of 24 i nches f r om t he f i ni shed gr ade t o di r ect bur i al cabl e and condui t or duct l i ne, unl ess ot her wi se i ndi cat ed.

3. 12 EMBANKMENTS

3. 12. 1 Ear t h Embankment s

Const r uct ear t h embankment s f r om sat i sf act or y mat er i al s f r ee of or gani c or f r ozen mat er i al and r ocks wi t h any di mensi on gr eat er t han 3 i nches. Pl ace t he mat er i al i n successi ve hor i zont al l ayer s of l oose mat er i al not mor e t han 12 i nches i n dept h. Spr ead each l ayer uni f or ml y on a soi l sur f ace t hat has been moi st ened or aer at ed as necessar y, and scar i f i ed or ot her wi se br oken up so t hat t he f i l l wi l l bond wi t h t he sur f ace on whi ch i t i s pl aced. Af t er spr eadi ng, pl ow, di sk, or ot her wi se br ake up each l ayer ;

moi st en or aer at e as necessar y; t hor oughl y mi x; and compact t o at l east 90 per cent l abor at or y maxi mum densi t y f or cohesi ve mat er i al s or 95 per cent l abor at or y maxi mum densi t y f or cohesi onl ess mat er i al s. Compact i on r equi r ement s f or t he upper por t i on of ear t h embankment s f or mi ng subgr ade f or pavement s ar e i dent i cal wi t h t hose r equi r ement s speci f i ed i n par agr aph SUBGRADE PREPARATI ON. Fi ni sh compact i on by sheepsf oot r ol l er s, pneumat i c- t i r ed r ol l er s, st eel - wheel ed r ol l er s, v i br at or y compact or s, or ot her appr oved equi pment .

3. 13 SUBGRADE PREPARATI ON

3. 13. 1 Pr oof Rol l i ng

Fi ni sh pr oof r ol l i ng on an exposed subgr ade f r ee of sur f ace wat er ( wet condi t i ons r esul t i ng f r om r ai nf al l ) whi ch woul d pr omot e degr adat i on of an ot her wi se accept abl e subgr ade. Af t er st r i ppi ng, pr oof r ol l t he exi st i ng subgr ade of t he vehi cul ar access ar eas wi t h s i x passes of a dump t r uck l oaded wi t h 4 cubi c yar ds of soi l or a 15 t on, pneumat i c- t i r ed r ol l er .

Oper at e t he r ol l er or t r uck i n a syst emat i c manner t o ensur e t he number of passes over al l ar eas, and at speeds bet ween 2- 1/ 2 t o 3- 1/ 2 mph. When pr oof r ol l i ng, pr ovi de one- hal f of t he passes made wi t h t he r ol l er i n a di r ect i on per pendi cul ar t o t he ot her passes. Not i f y t he Cont r act i ng Of f i cer a mi ni mum of 3 days pr i or t o pr oof r ol l i ng. Per f or m pr oof r ol l i ng i n t he pr esence of t he Cont r act i ng Of f i cer . Under cut r ut t i ng or pumpi ng of mat er i al as di r ect ed by t he Cont r act i ng Of f i cer and r epl ace wi t h sel ect mat er i al .

3. 13. 2 Construction

Shape subgr ade t o l i ne, gr ade, and cr oss sect i on, and compact as speci f i ed. I ncl ude pl owi ng, di sk i ng, and any moi st eni ng or aer at i ng

SECTI ON 31 00 00 Page 13 r equi r ed t o obt ai n speci f i ed compact i on f or t hi s oper at i on. Remove sof t or ot her wi se unsat i sf act or y mat er i al and r epl ace wi t h sat i sf act or y excavat ed mat er i al or ot her appr oved mat er i al as di r ect ed. Excavat e r ock encount er ed i n t he cut sect i on t o a dept h of 6 i nches bel ow f i ni shed gr ade f or t he subgr ade. Br i ng up l ow ar eas r esul t i ng f r om r emoval of unsat i sf act or y mat er i al or excavat i on of r ock t o r equi r ed gr ade wi t h sat i sf act or y mat er i al s, and shape t he ent i r e subgr ade t o l i ne, gr ade, and cr oss sect i on and compact as speci f i ed. Af t er r ol l i ng, t he sur f ace of t he subgr ade f or r oadways shal l not show devi at i ons gr eat er t han 1/ 2 i nch when t est ed wi t h a 12- f oot st r ai ght edge appl i ed bot h par al l el and at r i ght angl es t o t he cent er l i ne of t he ar ea.

3. 13. 3 Compaction

Fi ni sh compact i on by sheepsf oot r ol l er s, pneumat i c- t i r ed r ol l er s, st eel - wheel ed r ol l er s, v i br at or y compact or s, or ot her appr oved equi pment .

Except f or paved ar eas and r ai l r oads, compact each l ayer of t he embankment t o at l east 90 per cent of l abor at or y maxi mum densi t y.

3. 13. 3. 1 Subgr ade f or Pavement s

Compact subgr ade f or pavement s t o at l east 98 per cent age l abor at or y maxi mum densi t y f or t he dept h bel ow t he sur f ace of t he pavement shown. When mor e t han one soi l c l assi f i cat i on i s pr esent i n t he subgr ade, t hor oughl y bl end, r eshape, and compact t he t op 12 i nch of subgr ade.

3. 13. 3. 2 Subgr ade f or Shoul der s

Compact subgr ade f or shoul der s t o at l east 90 per cent age l abor at or y maxi mum densi t y f or t he f ul l dept h of t he shoul der .

3. 14 SHOULDER CONSTRUCTI ON

Const r uct shoul der s of sat i sf act or y excavat ed or bor r ow mat er i al or as ot her wi se shown or speci f i ed. Const r uct shoul der s i mmedi at el y af t er adj acent pavi ng i s compl et e. Compact t he ent i r e shoul der ar ea t o at l east t he per cent age of maxi mum densi t y as speci f i ed i n par agr aph SUBGRADE PREPARATI ON above, f or speci f i c r anges of dept h bel ow t he sur f ace of t he shoul der . Fi ni sh compact i on by sheepsf oot r ol l er s, pneumat i c- t i r ed r ol l er s, st eel - wheel ed r ol l er s, v i br at or y compact or s, or ot her appr oved equi pment . Fi ni sh shoul der const r uct i on i n pr oper sequence i n such a manner t hat adj acent di t ches wi l l be dr ai ned ef f ect i vel y and t hat no damage of any k i nd i s done t o t he adj acent compl et ed pavement . Al i gn t he compl et ed shoul der s t r ue t o gr ade and shaped t o dr ai n i n conf or mi t y wi t h t he cr oss sect i on shown.

3. 15 FINISHING

Fi ni sh t he sur f ace of excavat i ons, embankment s, and subgr ades t o a smoot h and compact sur f ace i n accor dance wi t h t he l i nes, gr ades, and cr oss sect i ons or el evat i ons shown. Pr ovi de t he degr ee of f i ni sh f or gr aded ar eas wi t hi n 0. 1 f oot of t he gr ades and el evat i ons i ndi cat ed except t hat t he degr ee of f i ni sh f or subgr ades speci f i ed i n par agr aph SUBGRADE PREPARATI ON. Fi ni sh gut t er s and di t ches i n a manner t hat wi l l r esul t i n ef f ect i ve dr ai nage.