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Sea Br i ght t o Manasquan Reach SEABRIGHTMANASQU

AMENDMENT 1

SECTI ON 31 24 00. 00 18

BEACH FI LL PLACEMENT

PART 1 GENERAL

1. 1 DREDGI NG OF BORROW AREAS

The beach r enour i shment t o be done under t hese speci f i cat i ons wi l l be t he dr edgi ng of t he Bor r ow Ar eas wi t h pl acement of t he dr edged sand al ong t he shor el i ne, as shown on t he cont r act dr awi ngs.

1. 2 SCOPE

The wor k cover ed by t hi s sect i on consi st s of f ur ni shi ng al l l abor , mat er i al s, and equi pment , and per f or mi ng al l oper at i ons r equi r ed f or r emoval of mat er i al f r om t he desi gnat ed bor r ow ar ea as shown on t he cont r act dr awi ng, conduct i ng bor r ow ar ea pr e- and post - r emoval sur veys, t r anspor t at i on and pl aci ng t he mat er i al as beach f i l l on t he At l ant i c Ocean shor e wi t hi n t he l i mi t s speci f i ed her ei n and shown on t he dr awi ngs, conduct i ng pr e- and post - pl acement beach condi t i on sur veys and gr ab sampl es GSD anal ysi s as speci f i ed.

1. 3 SI TE CONDI TI ONS

Bi dder s ar e expect ed t o exami ne t he s i t e of t he wor k, i ncl udi ng t he pl acement ar eas and deci de f or t hemsel ves t he condi t i ons af f ect i ng t hei r oper at i ons pr i or t o submi t t i ng t hei r bi ds. See Cont r act Cl ause ent i t l ed:

" SI TE I NVESTI GATI ON AND CONDI TI ONS AFFECTI NG THE WORK" ( FAR 52. 236- 3) .

1. 4 SEDI MENTATI ON PERMI TS

No l ocal gover nment al sedi ment at i on or er osi on cont r ol per mi t s ar e r equi r ed f or t hi s wor k except t hat as r equi r ed i n accor dance wi t h Cont r act Cl ause ent i t l ed: " PERMI TS AND RESPONSI BI LI TI ES" ( FAR 52. 236 7) .

1. 5 SUBMI TTALS

The Cont r act or shal l submi t f or appr oval , by t he Cont r act i ng Of f i cer and/ or hi s Repr esent at i ve, hi s pl an f or devel opment of any cont r act or - f ur ni shed pl acement ar eas or any modi f i cat i on t o t he Gover nment f ur ni shed pl acement ar ea. Thi s pl an shal l show ar eas or por t i ons t her eof t o be used. The pl an shal l al so show t he manner i n whi ch t he dr edged mat er i al wi l l be di st r i but ed i n t he ar eas. Such pl ans shal l be pr ovi ded by t he cont r act or at t he Pr econst r uct i on Conf er ence. I f t he pl an i s not accept ed t he Cont r act or i s t o per f or m t he wor k i n accor dance wi t h t he speci f i cat i ons.

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 . The f ol l owi ng shal l be submi t t ed i n accor dance wi t h Sect i on 01 33 00 SUBI TTAL PROCEDURES:

SD- 03 Pr oduct Dat a

Gr ai n Si ze Di st r i but i on Cur ves of beach f i l l mat er i al af t er

SECTI ON 31 24 00. 00 18 Page 1 placement ; G, RO

SD- 11 Cl oseout Submi t t al s

Bef or e and Af t er Beach Fi l l Pl acement Sur veys; G, RO

Bef or e and Af t er Dr edge Sur veys of t he Bor r ow Ar ea; G, RO

Weekl y Bor r ow Ar ea Sur veys per par agr aph I NI TI AL AND FI NAL SURVEYS

1. 6 QUALI TY CONTROL

a. QUALI TY CONTROL: The Cont r act or shal l est abl i sh and mai nt ai n qual i t y cont r ol f or mat er i al pl acement t o assur e compl i ance wi t h cont r act r equi r ement s, and mai nt ai n r ecor ds of hi s qual i t y cont r ol f or al l const r uct i on oper at i ons, i ncl udi ng but not l i mi t ed t o t he f ol l owi ng:

1) Dr edgi ng, i ncl udi ng sui t abi l i t y of dr edged mat er i al and mani pul at i on and cont r ol of t he dr edge di schar ge.

2) Pl acement of sand f i l l mat er i al , i ncl udi ng cont i nui t y and or der of pl acement ; di st r i but i on of mat er i al and measur es used t o cont r ol l oss of material.

b. The Cont r act or wi l l have a " NOTI CE TO MARI NERS" publ i shed by t he Coast Guar d 15 days pr i or t o st ar t of wor k.

c. Pl acement Pl an: The Cont r act or shal l submi t f or appr oval hi s pl acement pl an at t he Pr econst r uct i on Conf er ence ( Sect i on 01 30 00 ADMI NI STRATI VE REQUI REMENTS) . The pl acement pl an shal l i ncl ude t he par t i cul ar s i t e( s) t o be ut i l i zed, al l speci al condi t i ons ( i . e. , New Jer sey Depar t ment of Envi r onment al Pr ot ect i on ( NJDEP) , et c. ) speci f i c t o s i t es( s) bei ng used, cont r act or access t o t he s i t e( s) l ocat i ons and cr oss- sect i on of exi st i ng and pr oposed di kes, maxi mum el evat i ons and quant i t i es of pl acement mat er i al f or each si t e, wei r and dr ai nage st r uct ur e l ocat i ons, manner i n whi ch t he dr edged mat er i al wi l l be di st r i but ed i n t he ar eas, et c. Appr oval of t he pl acement pl an by t he Cont r act i ng Of f i cer or hi s r epr esent at i ve i s r equi r ed pr i or t o pl acement s i t e( s) pr epar at i on. The Cont r act or shal l conduct hi s wor k i n accor dance wi t h t he Pl acement Pl an, however , appr oval of t he pl an f or devel opment of t he pl acement ar ea does not i n any manner r el i eve t he Cont r act or of hi s r esponsi bi l i t y f or t he adequacy of t he desi gn and const r uct i on and dr ai nage f aci l i t i es r equi r ed. I n addi t i on, t he Cont r act or shal l al so submi t at t he pr e- const r uct i on meet i ng, hi s pl an f or r oad cr ossi ngs of t he di schar ge pi pel i ne. The cont r act or shal l be r esponsi bl e f or secur i ng t he appr opr i at e per mi t s f or any r oad cr ossi ngs of di schar ge pi pel i ne or s i mi l ar act i v i t i es and may not begi n wor k unt i l such per mi t s ar e r ecei ved f r om t he appr opr i at e agenci es.

d. Pr e- Const r uct i on Si t e Vi s i t : Pr i or t o act ual const r uct i on of any pl acement s i t e, t he Cont r act or and t he Cont r act i ng Of f i cer and/ or hi s r epr esent at i ves shal l v i s i t t he s i t e( s) f or t he pur pose of del i neat i ng ar eas of access avoi dance ( cul t ur al r esour ce, pr ot ect i on of exi st i ng dune, and/ or wet l and concer ns) .

e. Const r uct i on/ Mai nt enance of Cont ai nment St r uct ur e. The Cont r act or shal l const r uct al l r et ai ni ng di kes, wast e wei r s and dr ai nage st r uct ur es as ar e necessar y f or conf i ni ng t he dr edged mat er i al and f or cont r ol l i ng pl acement ar ea ef f l uent unt i l accept ance of al l wor k under t he cont r act .

SECTI ON 31 24 00. 00 18 Page 2 f . Pr ot ect i on of St r uct ur es and Adj acent Ar eas. The cont r act or shal l be r esponsi bl e f or t he mai nt enance, r epai r and st abi l i t y of al l di kes, r oads and st r uct ur es, used by hi m under t he cont r act . The Cont r act or shal l r est or e al l di kes, r oads, and ar eas he di st ur bs t hr ough hi s oper at i ons t o a sat i sf act or y condi t i on, as appr oved by t he Cont r act i ng Of f i cer or hi s r epr esent at i ve, at no addi t i onal cost t o t he Gover nment .

g. I nspect i on of St r uct ur es and Adj acent Ar eas. The Cont r act or shal l i nspect al l di kes, r oads, wast e wei r s, and adj acent ar eas ut i l i zed dur i ng t hi s oper at i on on a dai l y basi s t o assur e t hei r saf et y and st abi l i t y . The Cont r act or shal l i ncl ude t hese i nspect i ons i n hi s dai l y qual i t y cont r ol r epor t . The i nspect i on shal l i ncl ude but not be l i mi t ed t o st r uct ur es, equi pment , saf et y, secur i t y, dr ai nage and seepage.

h. Repor t i ng Requi r ement s. The Cont r act or shal l mai nt ai n a dai l y wr i t t en r ecor d of al l pl acement s i t e oper at i ons. Thi s r equi r ement shal l be made a par t of t he Cont r act or ' s Qual i t y Cont r ol Pl an and each r ecor d shal l be i ncl uded i n t he Cont r act or ' s Qual i t y Cont r ol Repor t .

i . Cont ai nment St r uct ur e Rest or at i on. The Cont r act or shal l r est or e any f eat ur e of any cont ai nment st r uct ur es as r equi r ed t o pr event t he escape of dr edged mat er i al f r om t he pl acement s i t e on t o adj acent ar eas.

j . Cont r ol of Pl acement Ar ea Ef f l uent . The cont r act or shal l moni t or and cont r ol pl acement ar ea condi t i ons and pl acement ef f l uent qual i t y as pr escr i bed i n t hese speci f i cat i ons. The Cont r act or ' s Qual i t y cont r ol Pl an shal l i dent i f y moni t or i ng r equi r ement s and measur es, whi ch wi l l be t aken t o cont r ol pl acement ar ea condi t i ons t o i nsur e ef f l uent qual i t y meet s t he r equi r ement s i dent i f i ed i n t he Wat er Qual i t y Cer t i f i cat es ( Sect i on 00 90 01

WATER QUALI TY CERTI FI CATE) .

k. New Jer sey St at e Wat er Qual i t y Cer t i f i cat i ons. The cont r act or shal l compl y wi t h al l r equi r ement s i dent i f i ed i n t he NJDEP Wat er Qual i t y Cer t i f i cat e ( WQC) i ncl udi ng al l speci al condi t i ons. A copy of t he WQC i s i ncl uded i n Sect i on 00 90 01 WATER QUALI TY CERTI FI CATE J, At t achment E of t hi s speci f i cat i on.

l . Removal of Cont ai nment Ar ea St r uct ur es. Any st r uct ur es ( i . e. , wei r s, pi pel i ne, et c. ) i nst al l ed by t he Cont r act or f or use i n hi s pl acement oper at i ons shal l be r emoved and t he cont r act or shal l r epai r and st abi l i ze al l ar eas af f ect ed by t he r emoval of t hese st r uct ur es as appr oved by t he Cont r act i ng Of f i cer .

m. The cont r act or shal l obt ai n gr ab sampl es of t he pl aced f i l l f r om: t he beach backshor e; edge of ber m; mean hi gh wat er ( MHW) ; and mean l ow wat er ( MLW) . One set of sampl es shal l be t aken ever y 200 f eet al ong t he pl aced f i l l ar ea. A gr ai n s i ze anal ysi s of each sand sampl e wi l l be made usi ng s i eve s i zes compar abl e t o t he Went wor t h s i ze c l assi f i cat i ons ( shown i n Section 00 90 02 WENTWORTH SCALE) and t he r esul t s pl ot t ed on an appr opr i at e cur ve f or mat . The l abor at or y anal ysi s r esul t s and pl ot t ed gr ai n s i ze di st r i but i on cur ves shal l be f ur ni shed wi t h t he Dai l y Const r uct i on Qual i t y Reports.

Cor e Anal ysi s. Si evi ng wi l l be done usi ng r ecent l y cal i br at ed s i eves, wi t h s i eve gr aduat i ons at hal f phi i nt er val s on t he Went wor t h scal e. Si evi ng wi l l i nc l ude a qual i t y cont r ol pr ogr am f or r epeat s i evi ng of one st andar d sampl e dur i ng t he cor e anal ysi s st udy. Tabul at ed r esul t s wi l l r epor t medi an s i ze i n mi l l i met er s as wel l as phi uni t s. Resul t s of t he s i evi ng wi l l be pl ot t ed as gr ai n s i ze di st r i but i on and t he mean, medi an, and st andar d

SECTI ON 31 24 00. 00 18 Page 3 devi at i on comput ed f or each sampl e col l ect ed. "

1. 7 REPORTI NG REQUI REMENTS

1. 7. 1 Dai l y Repor t of Oper at i ons

The Cont r act or wi l l , on Eng. For m 4267, be r equi r ed t o pr epar e and mai nt ai n a dai l y r epor t of oper at i ons and i nspect i ons and f ur ni sh copi es t her eof t o t he Cont r act i ng Of f i cer or hi s r epr esent at i ve. Al l t he f or ms pr escr i bed f or t he r equi r ed i nf or mat i on ar e i n Sect i on 00 90 04 CONTRACTOR' S FORMS.

Fur t her i nst r uct i ons on t he pr epar at i on of t he r epor t wi l l be f ur ni shed at a pr e- const r uct i on conf er ence. At t ached t o t he f or m, t he Cont r act or shal l submi t a pl an of t he bor r ow ar ea i ndi cat i ng t he l ocat i on, dept h and ext ent of hi s dr edgi ng oper at i ons f or t hat day.

1. 7. 2 Dr edge Oper at i on Pr oduct i on Recor ds

When a hopper dr edge oper at i on i s used, t he Cont r act or wi l l submi t dai l y r ecor ds of hopper l oads, i ncl udi ng t onnages of empt y and f ul l y l oaded condi t i ons pr i or t o pumpout . For al l t ypes of dr edge oper at i ons t he Cont r act or wi l l f ur ni sh pr oduct i on met er r ecor ds ( usi ng pr oper l y cal i br at ed i nst r ument s) of suct i onl i ne densi t i es and pi pel i ne vel oci t i es. Pr oduct i on met er r ecor ds and l oadmet er r ecor ds must be cat al oged ei t her by t i me of day or l oad number .

PART 2 PRODUCTS

2. 1 CHARACTER OF MATERI ALS

The char act er of mat er i al s wi t hi n t he bor r ow ar eas i s pr ovi ded i n Sect i on

00 90 03 BORROW AREA CORE PENETRATI ON GRAPHS AND COMPOSI TE GRAI N SI ZE

DI STRI BUTI ON CURVES. I f r ock, r ubbl e, or any ot her debr i s i s encount er ed dur i ng dr edgi ng, t he Cont r act or shal l i mmedi at el y cease oper at i ons and r el ocat e t o anot her sect i on of t he bor r ow ar eas. He shal l r epor t t he encount er wi t h t he r ock, r ubbl e or any ot her debr i s on t he qual i t y cont r ol f or m and i mmedi at el y not i f y t he Cont r act i ng Of f i cer , or hi s r epr esent at i ve, ver bal l y, pr ovi di ng l ocat i on i n New Jer sey St at e Pl ane coor di nat es of t he ar ea of r ock, r ubbl e or any ot her debr i s. Rock, r ubbl e, or any debr i s l ar ger t han t wo ( 2) i nches i n di amet er whi ch i s excavat ed and pl aced on t he beach wi l l be r emoved by t he Cont r act or , t ot al l y at hi s own cost . I f t he Cont r act or f ai l s t o r emove t he r ock, r ubbl e, or any ot her debr i s, such mat er i al may be r emoved by t he Gover nment and t he cost of such r emoval may be deduct ed f r om t he money due, or t o become due t o t he Cont r act or or may be r ecover ed under hi s bond. Bi dder s ar e expect ed t o exami ne t he s i t e of t he wor k and bor i ng sampl es and deci de f or t hemsel ves t he char act er of t he materials. The char act er of mat er i al s wi t hi n t he bor r ow ar eas i s pr ovi ded i n Sect i on 00 90 03 BORROW AREA CORE PENETRATI ON GRAPHS AND COMPOSI TE GRAI N SI ZE DI STRI BUTI ON CURVES. Rock, r ubbl e, or dnance or ot her debr i s may be encount er ed dur i ng t he dr edgi ng oper at i ons; however , t he r equi r ed scr eens on t he i nt ake heads wi l l pr ecl ude t he passage of any mat er i al gr eat er t han

1. 25 i nches i n di amet er . The r equi r ed scr eens on t he di schar ge end wi l l pr ecl ude t he passage of any mat er i al gr eat er t han . 75 i nches i n di amet er .

I f r ock, r ubbl e, or dnance or ot her debr i s l ar ger t han . 75 i nches i n di amet er i s excavat ed and pl aced on t he beach f r om t he bor r ow ar ea, i t wi l l be r emoved by t he Cont r act or , at no addi t i onal cost t o t he Gover nment .

Bi dder s ar e expect ed t o exami ne t he s i t e of t he wor k and bor i ng sampl es and deci de f or t hemsel ves t he char act er of t he mat er i al s. Ref er t o Sect i on 01 35 30 MUNI TI ONS AND EXPLOSI VES OF CONCERN ( MEC) CONSTRUCTI ON SUPPORT f or pr ocedur es r equi r ed by t he Cont r act or r egar di ng or dnances.

SECTI ON 31 24 00. 00 18 Page 4

2. 2 BORROW AREAS

2. 2. 1 Quant i t y

2. 2. 1. 1 Of f - Shor e Bor r ow Ar eas

For t hi s pr oj ect , a suf f i c i ent quant i t y of mat er i al sui t abl e f or t he beach f i l l i s avai l abl e f r om t he bor r ow si t es shown on t he Cont r act Dr awi ngs.

These bor r ow si t es ar e avai l abl e f or t hi s pr oj ect , at t he di scr et i on of t he Cont r act or . The cost of movi ng among t hese ar eas i s at Cont r act or s expense.

2. 2. 2 Bor r ow Ar ea Li mi t s

Al l mat er i al shal l be dr edged f r om wi t hi n t hese ar eas. I n t he event any por t i on of t he bor r ow ar eas y i el ds mat er i al unsui t abl e f or use on t he beach, t he Cont r act i ng Of f i cer , or hi s r epr esent at i ve, may di r ect t hat t he dept h of excavat i on be changed or t hat t he excavat i ng equi pment be moved t o ot her por t i ons of t he bor r ow ar eas t hat wi l l y i el d sui t abl e mat er i al . Under no c i r cumst ances shal l mat er i al be obt ai ned f r om out si de t he est abl i shed l i mi t s of t he bor r ow ar eas. Shoul d i t be det er mi ned t hat an ar ea out s i de t he l i mi t s of t he desi gnat ed bor r ow ar eas was used f or bor r ow, t he Cont r act or shal l r est or e such ar ea t o or i gi nal condi t i on. Bor r ow ar eas l i mi t s shown on t he dr awi ng ar e t oe of s l ope.

2. 2. 3 Soundi ngs

Soundi ngs i n t he bor r ow ar ea ar e shown on t he dr awi ngs. Dr edgi ng i n t he bor r ow ar eas wi l l be al l owed t o t he dept hs i ndi cat ed on t he dr awi ngs.

2. 2. 4 Sl opes

The dr edge cut s i n t he bor r ow ar ea shal l not have si de s l opes st eeper t han 1 on 3. Bor r ow ar ea ent r ance and exi t s l opes shal l not be st eeper t han 1 on

3. Bor r ow ar ea must have a uni f or m bot t om el evat i on.

2. 2. 5 MEC

Based on dr edgi ng and t est dr edgi ng, unexpl oded or dnance consi st i ng pr i mar i l y of l ar ge cal i ber pr oj ect i l es havi ng di amet er s of t hr ee i nches or l ar ger , have been f ound i n t he adj acent bor r ow ar eas. Muni t i ons and Expl osi ves of Concer n ( MEC) shal l be pr event ed f r om bei ng pl aced on t he beach; r ef er t o SECTI ON 01 35 30 MUNI TI ONS AND EXPLOSI VES OF CONCERN ( MEC)

CONSTRUCTI ON SUPPORT.

2. 3 GRAI N SI ZE DI STRI BUTI ON CURVES

2. 3. 1 Af t er Pl acement

Submi t t he Gr ai n Si ze Di st r i but i on Cur ves of beach f i l l mat er i al af t er placement t o t he Cont r act i ng Of f i cer f or appr oval .

PART 3 EXECUTI ON

3. 1 ORDER OF WORK

Ref er t o sect i on 01 14 00 WORK RESTRI CTI ON, " Or der of Wor k" par agr aph.

SECTI ON 31 24 00. 00 18 Page 5

3. 2 PLACEMENT OF SAND FI LL

3. 2. 1 Pl acement

The mat er i al dr edged f r om t he desi gnat ed bor r ow ar eas shal l be pl aced on t he beach f i l l ar eas t o t he speci f i ed l i mi t s and cr oss sect i ons shown on t he dr awi ngs, pr ovi ded, however , t hat t he pr ovi s i ons of subpar agr aph

3. 2. 8( 4) shal l be cont r ol l i ng wi t h r espect t o t he l i mi t s and sect i ons of t he beach f i l l ar ea bel ow El . +3. 9 NAVD. The mat er i al shal l be deposi t ed as evenl y as pr act i cabl e by t he hydr aul i c met hod t o f or m a compar at i vel y smoot h and uni f or m beach sur f ace. A t ol er ance of 1. 0 f oot above El . +3. 9 NAVD, measur ed ver t i cal l y , wi l l be al l owed and pai d f or on mat er i al pl aced above t he r equi r ed desi gn gr ades.

3. 2. 2 Mat er i al Deposi t ed El sewher e

Any mat er i al t hat i s pl aced el sewher e t han i n pl aces desi gnat ed or appr oved by t he Cont r act i ng Of f i cer , or hi s r epr esent at i ve, wi l l not be pai d f or , and t he Cont r act or may be r equi r ed t o r emove such mat er i al , and pl ace i t wher e di r ect ed, at hi s expense.

3. 2. 3 Dr edge Mat er i al

Dr edge mat er i al shal l be pumped di r ect l y f r om t he dr edgi ng vessel t o t he beach pl acement ar ea. No bot t om pl acement and r e- handl i ng wi l l be al l owed.

Dr edge di schar ge shal l be mani pul at ed and cont r ol l ed by t he Cont r act or i n such a manner t hat a mi ni mum of shapi ng by mechani cal equi pment wi l l be r equi r ed and a mi ni mum amount of mat er i al wi l l be l ost .

3. 2. 4 Fl oat abl e Mat er i al

Al l f l oat abl e mat er i al excavat ed, i ncl udi ng, wi t hout l i mi t at i on, wood and t i r es, shal l be di sposed of at an exi st i ng appr oved upl and di sposal ar ea.

Shoul d t he Cont r act or encount er f l oat abl e mat er i al , a copy of a l et t er gr ant i ng t he per mi ssi on of appr opr i at e aut hor i t i es t o use an exi st i ng appr oved upl and di sposal ar ea shal l be submi t t ed t o t he Cont r act i ng Of f i cer and/ or hi s r epr esent at i ve.

3. 2. 5 Fi nal Beach Ber m

The f i nal beach ber m of pl aced f i l l shal l be shaped above El . +3. 9 f t NAVD by bul l dozi ng or ot her appr oved means as r equi r ed, t o pr ovi de t he desi gn beach sect i ons shown on t he dr awi ngs. No r eshapi ng of t he exi st i ng beach, whi ch i s above t he l i nes and gr ades of t he desi gn sect i on wi l l be per mi t t ed.

3. 2. 6 Compensat ed Sl ope

I f t he const r uct i on t empl at e cannot be achi eved at t he t oe of t he sect i on, t hen a compensat ed s l ope t o of f set voi ds i n t he const r uct i on f i l l t empl at e wi l l be al l owed, upon t he appr oval of t he COR. Such excess mat er i al shal l be pl aced bel ow el evat i on +9. 3 f t NAVD and gr aded at t he desi gn s l ope t o +3. 9 f t NAVD wi t h al l mat er i al bel ow +3. 9 f t NAVD bei ng t he uncont r ol l ed hydr aul i c s l ope of t he mat er i al ; and t he payabl e quant i t y shal l not exceed t he def i c i ency i n t empl at e vol ume pl us t ol er ance.

3. 2. 6. 1 Accept ance of Fi l l Sect i on

A f i l l sect i on wi l l not be accept ed unl ess t he payabl e quant i t y equal s or exceeds t he cr oss sect i onal vol ume bet ween t he desi gn gr ade and t he

SECTI ON 31 24 00. 00 18 Page 6 pr e- exi st i ng gr ades ( excl udes t ol er ance) .

3. 2. 7 Dr edge Di schar ge

I t i s i nt ended t hat dr edge di schar ge shal l be mani pul at ed and cont r ol l ed by t he Cont r act or i n such a manner t hat a mi ni mum of shapi ng by mechani cal equi pment wi l l be r equi r ed and a mi ni mum amount of mat er i al wi l l be l ost .

3. 2. 8 Pl acement of Dr edged Mat er i al

Pl acement of dr edged mat er i al on t he beach f i l l ar ea shal l be subj ect t o t he f ol l owi ng condi t i ons:

( 1) Any di schar ge pi pel i ne cr ossi ng navi gat i on channel s must be submer ged so t hat suf f i c i ent dept h f or navi gat i on exi st s.

( 2) Such di schar ge pi pel i ne must be mar ked by s i gns, l i ght s or ot her devi ces t o i nsur e saf et y t o navi gat i on by day and by ni ght . Al l of t hese devi ces shal l be i n compl et e accor dance wi t h Coast Guar d r egul at i ons. The cont r act or shal l pr ovi de a wr i t t en di scussi on of pi pel i ne mar ki ngs i n t he Acci dent Pr event i on Pl an. Ref er t o sect i on 01 35 26 GOVERNMENTAL SAFETY REQUI REMENTS f or t he Acci dent Pr event i on Pl an r equi r ement s.

( 3) The di schar ge pi pel i ne shal l be ar r anged as appr oved by t he Cont r act i ng Of f i cer or hi s r epr esent at i ve.

( 4) I t i s expect ed t hat i n pl aci ng t he sand f i l l hydr aul i cal l y , most of t he s i l t and ot her f i nes bei ng pumped wi l l be washed i nt o t he ocean and di ssi pat ed by wave act i on. Pondi ng of t he dr edge ef f l uent wi l l not be al l owed. However , baf f l es or di kes t o cont r ol t he f l ow of t he dr edge ef f l uent wi l l be r equi r ed. The f i nal seawar d s l ope of t he sand f i l l t o be pl aced bel ow El . +3. 9 f t NAVD shal l be t he uncont r ol l ed hydr aul i c s l ope of t he mat er i al pl aced by t he dr edgi ng pr ocess, est i mat ed t o be a 1 ver t i cal t o 10 hor i zont al s l ope down t o t he ocean bot t om. The dr edge ef f l uent shal l i n al l cases r et ur n di r ect l y t o t he ocean and not t o t he i nshor e s i de of t he f i l l .

( 5) A di ke shal l be const r uct ed at t he i nshor e l i mi t of f i l l t o pr event t he dr edge ef f l uent f r om ext endi ng beyond t he cont r act l i mi t s.

( 6) Tr acked vehi c l es shal l be oper at ed on t he f i l l i n such manner so t hat t hey do not cause excessi ve gougi ng.

( 7) The Cont r act or shal l be sol el y r esponsi bl e f or any damage caused by hi m t o any boar dwal k, st r uct ur es, exi st i ng dune or dune veget at i on, pavement , cur bs, s i gns, l amps, bul khead, seawal l , gr oi n, beach gr ass, or any ot her pr oper t y adj acent t o t he beach f i l l ar eas, and shal l be r equi r ed t o r epai r at hi s own expense any such damage caused dur i ng t he per f or mance of wor k under t hi s cont r act . Pr i or t o t he commencement of oper at i ons and af t er compl et i on t her eof , a j oi nt i nspect i on by r epr esent at i ves of t he Cont r act or , The Cont r act i ng Of f i cer and l ocal i nt er est s per t ai ni ng t o t he above wi l l be made.

( 8) I n or der t o pr ovi de access f or pedest r i ans acr oss t he pi pel i ne i n beach use ar eas wi t hi n t he cont r act l i mi t s, t he pi pel i ne shal l be r amped wi t h sand on bot h s i des at a 1V: 10H sl ope over t he t op el evat i on of t he pi pe at pedest r i an access ways or at 500- f oot i nt er val s. Wi dt h of t he r amps shal l be 10 f eet . The Cont r act or may pr ovi de anot her met hod of mai nt ai ni ng pedest r i an t hor oughf ar e acr oss t he pi pe- l i ne upon appr oval by t he

SECTI ON 31 24 00. 00 18 Page 7

Cont r act i ng Of f i cer or hi s r epr esent at i ve. Pedest r i an t hor oughf ar e shal l be mai nt ai ned f or t he dur at i on of t he cont r act . Al so, i n or der t o pr ovi de f or t he saf et y of per sons usi ng t he beach, Poi nt s of Cont act ar e l i s t ed i n Section 01 30 00 ADMI NI STRATI VE REQUI REMENTS.

Dur i ng al l pumpi ng oper at i ons, t he Cont r act or shal l pr ovi de per sonnel t o mai nt ai n v i sual cont r ol at t he end of t he di schar ge l i ne. Radi o cont act shal l al so be pr ovi ded by t he Cont r act or t o enabl e such per sonnel t o hal t dr edgi ng i n case of emer gency.

( 9) The Cont r act or may be di r ect ed t o move t o anot her l ocat i on wi t hi n t he Bor r ow Ar ea i f undesi r abl e mat er i al begi ns t o be pumped ont o t he beach ( i . e. s i l t ) .

( 10) The ar ea wher e f i l l i ng oper at i ons ar e i n pr ogr ess shal l be f l oodl i ght ed dur i ng t he hour s of dar kness. I l l umi nat i on shal l be pr ovi ded by usi ng por t abl e l i ght equi pment such as model No. LDA I 6 MTVE manuf act ur ed by ALLMAND BROS. I NC. of HOLDREI RE, or appr oved equal . A mi ni mum of 3- f oot candl es of i l l umi nat i on shal l be mai nt ai ned i n t he i mmedi at e v i c i ni t y of t he pi pe di schar ge.

( 11) Moni t or i ng t he di schar ge oper at i on by r adi o communi cat i on f r om t he di schar ge l ocat i on t o t he l ever man dur i ng al l pumpi ng oper at i ons i s required.

( 12) A pl acement sect i on wi l l not be accept ed f or f i nal sur vey unl ess t he sect i on i s gr aded and dr essed so as t o el i mi nat e any undr ai ned pocket s, abr upt l umps, and depr essi ons i n t he beach f i l l sur f ace.

( 13) Dur i ng al l pumpi ng oper at i ons, t he Cont r act or shal l pr ovi de per sonnel t o mai nt ai n v i sual cont r ol of t he end of t he di schar ge l i ne.

Radi o cont act shal l al so be pr ovi ded by t he Cont r act or t o enabl e such per sonnel t o hal t dr edgi ng i n case of emer genci es or undesi r abl e mat er i al pl acement as di r ect ed by t he COE.

( 14) A t empor ar y di ke shal l be const r uct ed at t he i nshor e l i mi t of t he f i l l t o pr event t he dr edgi ng ef f l uent f r om ext endi ng beyond t he cont r act limits.

( 15) Compl et ed wor k on t he beach f i l l pl acement wi l l be accept ed i n 500- f oot l ong sect i ons. Upon compl et i on of al l f i l l i ng oper at i ons wi t hi n an accept ance sect i on, t he f i l l shal l be gr aded and dr essed so as t o el i mi nat e any un- dr ai ned pocket s, abr upt l umps, and depr essi ons i n t he beach f i l l sur f aces. The bank caused by ocean wave er osi on shal l be gr aded down t o a s l ope not st eeper t han one ( 1) f oot ver t i cal t o t went y ( 20) f eet hor i zont al t o El ev. +3. 9 NAVD. Fi nal sur veys as r equi r ed i n par agr aph ent i t l ed QUANTI TY SURVEYS of t he Speci al Cont r act Requi r ement s may not be per f or med unt i l f i l l i s gr aded and dr essed. Fi nal accept ance of t he beach f i l l wor k wi l l be as def i ned i n par agr aph ent i t l ed FI NAL EXAMI NATI ON AND ACCEPTANCE i n sect i on 01 30 00 ADMI NI STRATI VE REQUI REMENTS.

( 16) The Cont r act or shal l obt ai n gr ab sampl es of pl aced f i l l f r om: t he beach back- shor e; edge of ber m; mean hi gh wat er ( MHW) ; and mean l ow wat er ( MLW) . One set of sampl es shal l be t aken ever y 200 f eet al ong t he pl aced f i l l ar ea. A gr ai n s i ze anal ysi s of each sand sampl e wi l l be made usi ng s i eve s i zes compar abl e t o t he Went wor t h s i ze c l assi f i cat i ons ( shown on Section 00 90 03 Composi t e Gr ai n Si ze Di st r i but i on Cur ves and Gr ai n Si ze Scal es f or Sand Sedi ment s) and t he r esul t s pl ot t ed on t he cur ve f or mat i n section 00 90 03 Composi t e Gr ai n Si ze Di st r i but i on Cur ves and Gr ai n Si ze

SECTI ON 31 24 00. 00 18 Page 8

Scal es f or Sand Sedi ment s. The l abor at or y anal ysi s r esul t s and pl ot t ed gr ai n s i ze di st r i but i on cur ves shal l be f ur ni shed wi t h t he Dai l y Const r uct i on Qual i t y Repor t s.

3. 3 PLANT

The Cont r act or agr ees t o keep on t he j ob suf f i c i ent pl ant t o meet t he r equi r ement s of t he wor k. The pl ant shal l be i n a sat i sf act or y oper at i ng condi t i on and capabl e of saf el y and ef f i c i ent l y per f or mi ng t he wor k as set f or t h i n t he speci f i cat i ons. The pl ant shal l be subj ect t o t he i nspect i on of t he Cont r act i ng Of f i cer and/ or hi s Repr esent at i ve at al l t i mes. No r educt i on i n t he capaci t y of t he pl ant empl oyed on t he wor k shal l be made except by wr i t t en per mi ssi on of t he Cont r act i ng Of f i cer and/ or hi s Repr esent at i ve. The measur e of t he " capaci t y of t he pl ant " shal l be i t s act ual per f or mance on t he wor k t o whi ch t hese speci f i cat i ons appl y.

3. 3. 1 Scows

The use of scows i s pr ohi bi t ed.

3. 3. 2 Hydr aul i c Pi pel i nes

Al l pi pel i nes f or hydr aul i c dr edgi ng Pl ant must be kept i n good condi t i on at al l t i mes and any l eaks or br eaks al ong t hei r l engt h shal l be pr ompt l y r epai r ed. Al l br eaks i n any pi pel i ne shal l be r epor t ed on t he Cont r act or ' s Dai l y Qual i t y Cont r ol Repor t f or t he dat e t he br eak occur r ed. An est i mat i on of t he dur at i on of t he br eak and t he quant i t y of mi spl aced mat er i al shal l be pr ovi ded i n t he r epor t .

3. 3. 3 Mar ki ng of Fl oat i ng Dr edge Pi pel i nes

The cont r act or shal l be r equi r ed t o mar k f l oat i ng dr edge pi pel i nes i n accor dance wi t h t he r equi r ement s of 88. 15 of Annex V of U. S. Navi gat i on Rul es, i nl and, COMDTI NST M 16672. 2A, dat ed 23 December 1983. Dr edge pi pel i nes t hat ar e f l oat i ng or suppor t ed on t r est l es shal l di spl ay one r ow of yel l ow l i ght s, v i s i bl e al l ar ound t he hor i zon f or at l east 2 mi l es on a c l ear , dar k ni ght . The l i ght s shal l f l ash at 50 or 70 t i mes per mi nut e and be pl aces not l ess t han 1 and not mor e t han 3- 5 met er s ( 9. 8 - 16 f eet ) above t he wat er . The l i ght s shal l be suf f i c i ent i n number t o c l ear l y show t he l engt h and cour se of t he pi pel i ne.

3. 3. 4 Dr edge Pi pel i nes Cr ossi ng Navi gabl e Channel s

The ar r angement of any pi pel i ne cr ossi ng a navi gabl e channel shal l be appr oved by t he Cont r act i ng Of f i cer . Wher e t he pi pel i ne cr osses a navi gabl e channel t he spaci ng of t he l i ght s shal l not be mor e t han 10 met er s ( 33 f eet ) apar t . Two r ed l i ght s, v i s i bl e al l ar ound t he hor i zon f or at l east 2 mi l es on a c l ear , dar k ni ght , shal l be di spl ayed at each end of t he pi pel i ne, i ncl udi ng t he ends i n a channel wher e t he pi pel i ne i s separ at ed t o al l ow vessel s t o pass ( whet her open or c l osed) . The l i ght s shal l be one met er ( 3. 3 f eet ) apar t i n a ver t i cal l i ne wi t h t he l ower l i ght at t he same hei ght above t he wat er as t he f l ashi ng yel l ow l i ght .

3. 3. 5 Submer ged Pi pel i nes

Any di schar ge pi pel i ne submer ged t o cr oss a navi gat i on channel shal l be submer ged so t hat suf f i c i ent dept h f or navi gat i on exi st s. Such di schar ge pi pel i ne shal l be mar ked by s i gns, l i ght s or ot her devi ces t o i nsur e saf et y t o navi gat i on by day and by ni ght . Al l of t hese devi ces shal l be i n

SECTI ON 31 24 00. 00 18 Page 9 compl et e accor dance wi t h Coast Guar d r egul at i ons.

3. 3. 6 Road Cr ossi ngs

A det ai l ed pl an of t he pi pel i ne r out e t o be used by t he Cont r act or shal l be submi t t ed pr i or t o l ayi ng of t he pi pel i ne. A r amp over any di schar ge pi pel i ne cr ossi ng any r oadways at t he pr oj ect s i t e( s) shal l be pr ovi ded.

Addi t i onal l y, adequat e s i gns ( caut i on and st op, i f necessar y) , and f l ashi ng war ni ng l i ght s, shal l be pr ovi ded by t he cont r act or t o ensur e saf et y t o vehi c l es and t hei r occupant s usi ng t he r oadway. Under no c i r cumst ances shal l any por t i on of t he paved por t i on of any r oadway be di st ur bed. I f t he r oadway i s di st ur bed, t he Cont r act or shal l pr ovi de an adequat e base t o al l ow t r af f i c t o pass over t he pi pel i ne, and r epai r s t o t he r oadway af t er compl et i on of t he pr oj ect ar ea, such t hat t he r oadway i s r est or ed t o a condi t i on equal t o or bet t er t han t he condi t i on pr i or t o di st ur bance. I n addi t i on, pr i or t o pl acement of t he pi pel i ne acr oss any r oadway, t he Cont r act or shal l cont act per sonnel at t he appr opr i at e muni c i pal i t y t o det er mi ne i f t he war ni ng s i gns and l i ght s ar e adequat e f or saf et y pur poses.

3. 3. 7 Towi ng Vessel s

A suf f i c i ent number of vessel s of adequat e s i ze and hor sepower , each desi gned, out f i t t ed, and equi pped f or t owi ng ser vi ce, shal l be avai l abl e at al l t i mes t o move bot h sel f - and non- sel f pr opel l ed pl ant agai nst t i des, cur r ent , and wi nds dur i ng sever e weat her condi t i ons.

3. 4 DREDGE LOCATI ON CONTROL

The Cont r act or i s r equi r ed t o have el ect r oni c posi t i oni ng equi pment t hat wi l l accur at el y comput e and pl ot t he posi t i on of t he dr edge. Whenever dr edgi ng oper at i ons ar e under way, t he l ocat i on of t he dr edge shal l be cont i nuousl y moni t or ed and t he dr edge l ocat i on, i n Long I s l and Lamber t Coor di nat es, shal l be r ecor ded at i nt er val s not t o exceed one ( 1) mi nut e.

Such r ecor ds, and an accur at e map showi ng act ual dr edgi ng l ocat i ons, shal l be f ur ni shed t o t he Cont r act i ng Of f i cer , or hi s r epr esent at i ve dai l y as par t of t he Qual i t y Cont r ol Repor t s. The el ect r oni c posi t i oni ng equi pment shal l be i nst al l ed on t he dr edge so as t o moni t or , as c l osel y as possi bl e, t he act ual l ocat i on of t he cut t er head or dr agar m. Thi s equi pment shal l be cont i nuousl y accessi bl e by t he Gover nment r epr esent at i ve on boar d t he dr edge, who must be abl e t o ver i f y equi pment cal i br at i on at any t i me. The el ect r oni c posi t i oni ng equi pment shal l be r equi r ed t o be cal i br at ed mont hl y, mai nt ai ned and oper at ed so t hat t he maxi mum er r or f or t he coor di nat es r ecor ded do not exceed 3 f eet . The l ocat i on on t he dr edge of t he mast er ant enna and t he di st ance and di r ect i on f r om t he mast er ant enna t o t he cut t er head shal l be r epor t ed on t he Qual i t y Cont r ol Repor t s. No dr edgi ng wi l l t ake pl ace out s i de t he bor r ow ar ea l i mi t s as shown on t he dr awi ngs. Dr edgi ng out s i de of t he bor r ow ar ea l i mi t s wi l l r esul t i n i mmedi at e shut down of wor k. The Cont r act or ' s met hods of l ocat i on of t he dr edge shal l be submi t t ed wi t h t he qual i t y cont r ol pl an. I nf or mat i on t o be submi t t ed shal l i ncl ude a wr i t t en descr i pt i on of t he equi pment , i nc l udi ng appl i cabl e manuf act ur er s br ochur e and dat a, and pr evi ous j obs on whi ch t he equi pment has been used.

3. 4. 1 Dr edgi ng Dept h Moni t or i ng Equi pment

The Cont r act or shal l have i n cont i nuous oper at i on whenever dr edgi ng oper at i ons ar e under way, el ect r oni c equi pment whi ch measur es t he cut t er head or dr agar m dept h. The dept h measur i ng devi ce ( as appr oved by t he Cont r act i ng Of f i cer or Cont r act i ng Of f i cer Repr esent at i ve) shal l be used

SECTI ON 31 24 00. 00 18 Page 10 and i nt er f aced wi t h t he el ect r oni c posi t i oni ng equi pment r equi r ed i n Par agr aph 3. 4. The dept h measur i ng devi ce shal l be cal i br at ed by a bar check dai l y. Thi s equi pment shal l be accessi bl e t o t he Gover nment Repr esent at i ve onboar d t he dr edge, who shal l be abl e t o ver i f y cal i br at i on.

Ver t i cal accur acy shal l be + or - 0. 1 f oot . Recor ds r equi r ed f or dr edge l ocat i on ( Par agr aph 3. 4) shal l al so i ncl ude dept h cor r ect ed f or t i de ( el evat i on r ef er ence t o MLW) . Det ai l s of t he dept h measur i ng devi ce shal l be submi t t ed wi t h t he qual i t y cont r ol pl an.

3. 5 NOTI FI CATI ON OF ON- SHORE BARGE OPERATI ON

A mi ni mum of one hour ' s not i ce must be f ur ni shed by t he Cont r act or t o t he Cont r act i ng Of f i cer , or hi s r epr esent at i ve, and concur r ent l y t o t he muni c i pal or l ocal agency r esponsi bl e f or beach oper at i ons pr i or t o a bar ge comi ng on shor e bet ween t he hour s of 9 AM and 7 PM. Bar ges wi l l not be al l owed t o come on shor e on weekends or St at e hol i days bet ween t he hour s 9 AM and 7 PM. At no t i me wi l l a bar ge be al l owed t o come on shor e i n an ar ea ot her t han t he i mmedi at e wor k ar ea.

3. 6 BUOY REMOVAL

The Cont r act or shal l not i f y t he Coast Guar d at l east 15 days pr i or t o t he dat e desi r ed f or havi ng buoys r emoved or r el ocat ed whi ch i nt er f er e wi t h dr edgi ng oper at i ons. Request s shal l be made i n wr i t i ng t o:

COMMANDER ( OAN)

FI RST COAST GUARD DI STRI CT

408 ATLANTI C AVENUE

BOSTON, MASS. 02110

or by t el ephoni ng ( 617) 223 8337

3. 7 TEMPORARY FENCES

3. 7. 1 Land Boost er Pumps

I f l and boost er pumps ar e used, a t empor ar y Pol yet hyl ene Mesh Saf et y f ence shal l be i nst al l ed by t he Cont r act or ar ound t he boost er f aci l i t y . For f ence const r uct i on r ef er t o sect i on 01 50 00 TEMPORARY CONSTRUCTI ON FACI LI TI ES AND CONTROLS, " Pol yet hyl ene Mesh Saf et y Fenci ng" par agr aph. The f ence shal l be r emoved by t he Cont r act or at t he compl et i on of t he wor k or when di r ect ed by t he cont r act i ng of f i cer and/ or hi s r epr esent at i ve and al l mat er i al used shal l r emai n pr oper t y of t he cont r act or .

3. 7. 2 Beach Access Ramps

Beach access r amps and st ai r s t o t he wor k ar eas wi t hi n 500 f t of t he desi gnat ed wor k ar ea shal l be c l osed by t he cont r act or by er ect i on of a mi ni mum 4 f eet hi gh Pol yet hyl ene Mesh Saf et y f ence. For f ence const r uct i on r ef er t o sect i on 01 50 00 TEMPORARY CONSTRUCTI ON FACI LI TI ES AND CONTROLS, " Pol yet hyl ene Mesh Saf et y Fenci ng" par agr aph.

The Cont r act or shal l al so pr ovi de s i gnage at t he beach access poi nt s i ndi cat i ng " DO NOT ENTER - CONSTRUCTI ON AREA" , as appr oved by t he Cont r act i ng Of f i cer .

Ramps, st ai r s, or ot her access f eat ur es r equi r i ng c l osur e wi l l be i dent i f i ed dur i ng on- si t e pr e- const r uct i on meet i ng bet ween t he Cor ps of Engi neer s, t he Cont r act or , and l ocal i nt er est s.

SECTI ON 31 24 00. 00 18 Page 11

3. 7. 3 Sand Fence

Sand f ence wi l l be i nst al l ed on t he beach encl osi ng t he 1000- f oot l ong desi gnat ed wor k sect i on f r om t he backshor e l i mi t of f i l l t o t he mean hi gh wat er l i ne. The f ence shal l al so be i nst al l ed al ong t he backshor e t o pr event ent r y t o t he wor k ar ea. The f enci ng mat er i al f or t hi s pur pose shal l a mi ni mum f our ( 4) f eet hi gh Pol yet hyl ene Mesh Saf et y f ence. For f ence const r uct i on r ef er t o sect i on 01 50 00 TEMPORARY CONSTRUCTI ON FACI LI TI ES AND CONTROLS, " Pol yet hyl ene Mesh Saf et y Fenci ng" par agr aph.

Adequat e secur i t y per sonnel shal l be pr ovi ded by t he Cont r act or t o r est r i c t unaut hor i zed ent r y i nt o t he wor k ar ea dur i ng al l t i mes of oper at i on. The ends of each wor k ar ea shal l be c l osed of f dur i ng wor k i n t hat ar ea by er ect i on of a sand f ence ext endi ng f r om t he l andwar d l i mi t of f i l l seawar d t o t he mean hi gh wat er l i ne.

The ends of each wor k ar ea shal l be c l osed of f dur i ng wor k i n t hat ar ea by er ect i on of a sand f ence ext endi ng f r om t he l andwar d l i mi t of f i l l seawar d t o t he mean hi gh wat er l i ne.

3. 7. 4 Removal of Tempor ar y Fenci ng

The f ence shal l be r emoved by t he Cont r act or at t he compl et i on of t he wor k or when di r ect ed by t he Cont r act i ng Of f i cer , or hi s r epr esent at i ve, and al l mat er i al used shal l r emai n t he pr oper t y of t he Cont r act or .

For measur ement and payment of t empor ar y f ences see par agr aph 1. 3. 2 Tempor ar y Fenci ng.

3. 8 SECURI TY OF WORK AREA

I n t he wor k ar ea pr ovi de a combi nat i on of f enci ng above t he hi gh wat er l i ne secur i ng t he nor t h, west and sout h s i des of t he wor k ar ea and a war ni ng t ape t o t he l ow wat er l i ne. Pl ace s i gns i ndi cat i ng " No Tr espassi ng- Const r uct i on Ar ea" on t he f ence ever y 50 f eet of l engt h. Empl oy one or mor e uni f or med f ul l - t i me secur i t y per sons sol el y t o r est r i c t publ i c access i n t he wor k ar ea at bot h t he Nor t h and Sout h ends of t he wor k ar ea, f or t he ent i r et y of t he beach r enour i shment wor k f or 24 hour s a day, 7 days a week.

3. 9 SURVEY RECORDS

3. 9. 1 Beach Fi l l Pl acement Sur veys

Submi t t he Bef or e and Af t er Beach Fi l l Pl acement Sur veys f or Cont r act i ng Of f i cer ' s appr oval .

3. 9. 2 Dr edge Sur veys of t he Bor r ow Ar ea

Submi t t he Bef or e and Af t er Dr edge Sur veys of t he Bor r ow Ar ea f or Cont r act i ng Of f i cer ' s appr oval .

- - End of Sect i on - -

SECTI ON 31 24 00. 00 18 Page 12