W912PM19B0009_Amd01_.pdf

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15A. NAME AND TITLE OF SIGNER (Type or print)

30-105-04EXCEPTION TO SF 30

APPROVED BY OIRM 11-84

STANDARD FORM 30 (Rev. 10-83) Prescribed by GSA

FAR (48 CFR) 53.243

Please see the technical summary of changes.

1. CONTRACT ID CODE PAGE OF PAGES

J 1 2

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

16C. DATE SIGNED

BY 23-Jul-2019

16B. UNITED STATES OF AMERICA15C. DATE SIGNED15B. CONTRACTOR/OFFEROR

(Signature of Contracting Officer)(Signature of person authorized to sign)

8. NAME AND ADDRESS OF CONTRACTOR (No., Street, County, State and Zip Code) X W912PM19B0009

X 9B. DATED (SEE ITEM 11)

27-Jun-2019

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

X The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offer is extended, X is not extended.

Offer must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended by one of the following methods:

(a) By completing Items 8 and 15, and returning 1 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE

CONTRACT ORDER NO. IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(B).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

E. IMPORTANT: Contractor is not, is required to sign this document and return copies to the issuing office.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

10A. MOD. OF CONTRACT/ORDER NO.

2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO.(If applicable)

6. ISSUED BY

3. EFFECTIVE DATE

23-Jul-2019

CODE

U S ARMY CORPS OF ENGINEERS, WILMINGTON

WILMINGTON DISTRICT

ATTN: CONTRACTING DIVISION

69 DARLINGTON AVE

WILMINGTON NC 28403-1343

W912PM 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

W912PM19B0009

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

(End of Summary of Changes)

W912PM19B0009

Amendment 0001

Technical Summary of Changes

SPECIFICATIONS

Delete existing SECTION Page 1 through Page 11 in their entirety and replace with revised liked-numbered pages.

DRAWINGS

No changes.

-- End of Summary of Changes-

Encls as Stated

FY 19 - Eagl e I s l and Di sposal Ar ea I mpr ovement s W912PM19B0009 Br unswi ck Count y, NC

SECTI ON TABLE OF CONTENTS

DI VI SI ON 33 - UTI LI TI ES

SECTI ON 33 40 02 38

SPI LLWAY SYSTEM

PART 1 GENERAL

1. 1 SCOPE

1. 2 REFERENCES

1. 3 SUBMI TTALS

1. 4 MEASUREMENT AND PAYMENT

1. 4. 1 Spi l l way Syst em

1. 4. 2 Di ke Embankment Repai r

PART 2 PRODUCTS

2. 1 SPI LLWAYS

2. 1. 1 New St eel Spi l l way Ri ser Sect i ons

2. 1. 2 St eel

2. 1. 3 Coat i ng Syst em

2. 1. 3. 1 Pai nt

2. 1. 3. 2 Appl i cat i on Equi pment

2. 1. 3. 3 Weat her Condi t i ons

2. 1. 3. 4 Sur f ace Temper at ur e/ Shadi ng

2. 1. 3. 5 Col or

2. 1. 3. 6 Thi ckness

2. 1. 3. 7 Manuf act ur er ' s Recommendat i ons

2. 1. 4 Spi l l way Ri ser Ladder

2. 2 SPI LLWAY PI PE

2. 2. 1 Hi gh Densi t y Pol yet hyl ene ( HDPE) Pi pe

2. 3 HARDWARE

2. 3. 1 Spi l l way Ri ser Har dwar e

2. 3. 2 St eel Wal kway Har dwar e

2. 4 WALKWAY

2. 5 CONCRETE

2. 5. 1 Spi l l way Ri ser Foundat i on and Wal kway Suppor t Pad

2. 6 REI NFORCI NG STEEL FOR SPI LLWAY FOUNDATI ON AND WALKWAY SUPPORT PAD

2. 7 GEOTEXTI LE

2. 8 COARSE AGGREGATE

2. 9 SATI SFACTORY MATERI AL

2. 10 SPI LLWAY RI SER/ DI SCHARGE PI PE CONNECTI ON

PART 3 EXECUTI ON

3. 1 DEWATERI NG SYSTEM

3. 2 I NSTALLATI ON OF NEW SPI LLWAY RI SER

3. 2. 1 Wel di ng

3. 2. 2 Fabr i cat i on Bef or e Coat i ng

3. 2. 3 Fi t

3. 2. 4 Repai r s t o Coat i ng

3. 2. 5 Pi pe Fl ange Assembl y

SECTI ON 33 40 02 Page 1

3. 2. 6 Hi gh Densi t y Pol yet hyl ene Pi pe Joi ni ng

3. 2. 7 SDR 11 t o SDR 26 HDPE Pi pe Connect i on

3. 2. 8 Handl i ng and St or age

3. 2. 9 Cl eanl i ness and Wat er t i ght ness

3. 2. 10 Ther mal Expansi on and Cont r act i on

3. 2. 11 Foundat i on Pr epar at i on

3. 2. 12 Pl aci ng Pi pe

3. 2. 13 Appr oval Pr i or t o Backf i l l i ng

3. 2. 14 Pi pe Beddi ng

3. 2. 15 Fi l t er Di aphr agm and Hor i zont al Dr ai n

3. 2. 16 Backf i l l i ng Pi pe

3. 2. 17 Cl ear i ng of Spi l l way

3. 3 ACCEPTANCE

- - End of Sect i on Tabl e of Cont ent s - -

SECTI ON 33 40 02 Page 2

SECTI ON 33 40 02 38

SPI LLWAY SYSTEM

PART 1 GENERAL

1. 1 SCOPE

The Cont r act or shal l f ur ni sh al l l abor , equi pment and mat er i al s and per f or m al l oper at i ons i n connect i on wi t h spi l l way syst ems const r uct i on at t he Eagl e I s l and Di sposal Ar ea t o i nc l ude but not be l i mi t ed t o t he f ol l owi ng:

r el ocat i on of t he exi st i ng spi l l way r i ser s, spi l l way f oundat i on pads, and wal kways; r emoval and r epl acement of t he pi pes at spi l l ways 4, 5 and 6 and;

addi t i on of spi l l way r i ser sect i ons.

1. 2 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 NATI ONAL STANDARDS I NSTI TUTE ( ANSI )

ANSI / ASME B16. 5 ( 2009) Pi pe Fl anges and Fl anged Fi t t i ngs

ANSI A14. 3 ( 2000) Ladder s - Fi xed - Saf et y Requirements

ASTM I NTERNATI ONAL ( ASTM)

ASTM A36/ A36M ( 2012) St andar d Speci f i cat i on f or Car bon St r uct ur al St eel

ASTM A123/ A123M ( 2013) St andar d Speci f i cat i on f or Zi nc ( Hot - Di p Gal vani zed) Coat i ngs on I r on and St eel Pr oduct s

ASTM A536 ( 1984; R 2014) St andar d Speci f i cat i on f or Duct i l e I r on Cast i ngs

ASTM A572/ A572M ( 2013a) St andar d Speci f i cat i on f or Hi gh- St r engt h Low- Al l oy Col umbi um- Vanadi um St r uct ur al St eel

ASTM A615/ A615M ( 2014) St andar d Speci f i cat i on f or Def or med and Pl ai n Car bon- St eel Bar s f or Concr et e Reinforcement

ASTM D 2657 ( 2007) Heat Fusi on Joi ni ng Pol yol ef i n Pi pe and Fi t t i ngs

ASTM F714 ( 2013) Pol yet hyl ene ( PE) Pl ast i c Pi pe ( SDR- PR) Based on Out si de Di amet er

SECTI ON 33 40 02 Page 3

AMERI CAN WELDI NG SOCI ETY ( AWS)

AWS D1. 1/ D1. 1M ( 2010; Er r at a 2011) St r uct ur al Wel di ng Code - St eel

NORTH CAROLI NA DEPARTMENT OF TRANSPORTATI ON ( NCDOT)

NCDOT St andar d Speci f i cat i ons f or Roads and Structures

SOCI ETY FOR PROTECTI VE COATI NGS ( SSPC)

SSPC Pai nt 16 ( 2006) Coal Tar Epoxy- Pol yami de Bl ack ( or Dar k Red) Pai nt

SSPC PS 11. 01 ( 1982; E 2004) Bl ack ( or Dar k Red) Coal Tar Epoxy Pol yami de Pai nt i ng Syst em

SSPC SP 10/ NACE No. 2 ( 2007) Near - Whi t e Bl ast Cl eani ng

1. 3 SUBMI TTALS

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

submi t t al s not havi ng a " G, A" 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, A" 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

Thickness ; G, A

Coat i ng Syst em; G, A

Concrete ; G, A; Spi l l way Const r uct i on Pl an; G, A

Dewat er i ng Pl an; G, A

SD- 02 Shop Dr awi ngs

Rei nf or c i ng St eel

St eel - Spillway Ri ser Modi f i cat i ons; G, A

Spi l l way Pi pe; G, A

Manuf act ur er ' s Pi pe Connect i on Det ai l

Ladders ; G, A

Conf i ned Space Ent r y and Rescue Syst em Equi pment ; G, A

SD- 03 Pr oduct Dat a

Screen st ai nl ess st eel mesh; G, A

30-inch Hi gh Densi t y Pol yet hyl ene ( HDPE) Pi pe; G, A

Access Hat ch Door ; G, A

SECTI ON 33 40 02 Page 4

The Cont r act or shal l submi t t o t he Cont r act i ng Of f i cer or hi s/ her desi gnat ed r epr esent at i ve cer t i f i cat es, i nvoi ces or cat al og cut s at t est i ng t hat t he f ol l owi ng mat er i al s f ur ni shed meet t he r equi r ed speci f i cat i ons:

HDPE pi pe, t r eat ed l umber , concr et e, pai nt , and st eel har dwar e.

SD- 07 Cer t i f i cat es

Dewat er i ng Pl an; G, A

Geot echni cal i nf or mat i on i ndi cat es t hat gr ound wat er may be encount er ed dur i ng excavat i on wor k. Wher e wat er i s encount er ed, t he Cont r act or shal l dewat er by di t chi ng, sumpi ng and pumpi ng, or ot her appr oved met hods such t hat al l excavat i ons and const r uct i on oper at i ons ar e per f or med i n t he dr y. Al l wat er f l owi ng t owar d or i nt o excavat i ons shal l be cont r ol l ed and r emoved t o pr event sl oughi ng of excavat i on s l opes and wal l s; boi l s ; upl i f t and/ or 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 t he or der l y pr ogr ess of const r uct i on. Cont r ol measur es shal l be pr ovi ded and oper at i ng bef or e any excavat i on commences.

1. 4 MEASUREMENT AND PAYMENT

1. 4. 1 Spi l l way Syst em

Ther e wi l l be no di r ect measur ement of wor k per f or med i n connect i on wi t h t he spi l l way syst ems const r uct i on. The appr opr i at e cont r act pr i ce f or " SPI LLWAY 4" , " SPI LLWAY 5" and " SPI LLWAY 6" as l i s t ed i n t he BI DDI NG SCHEDULE shal l const i t ut e f ul l compensat i on f or f ur ni shi ng al l l abor , mat er i al s, pl ant , equi pment , t ool s, suppl i es, and i nci dent al s necessar y t o compl et e t he wor k i ncl uded i n t hi s sect i on and det ai l ed on t he pl ans.

1. 4. 2 Di ke Embankment Repai r

Al l cost s f or di ke embankment r epai r wor k r equi r ed f or t he spi l l way syst ems wor k i ncl udi ng f ur ni shi ng and pl acement of geot ext i l e 1' bel ow and 4' above t he spi l l way pi pe and at appr oxi mat el y el evat i on 24' shal l be consi der ed i nci dent al t o and i ncl uded i n t he appr opr i at e cont r act pr i ce f or " SPI LLWAY 4" , " SPI LLWAY 5" and " SPI LLWAY 6" , as l i s t ed i n t he Bi ddi ng Schedul e.

PART 2 PRODUCTS

2. 1 SPILLWAYS

2. 1. 1 New St eel Spi l l way Ri ser Sect i ons

The Cont r act or shal l f ur ni sh new 4- f oot sect i ons of st eel spi l l way r i ser t o add t o Spi l l ways 4, 5 and 6. The 4- f oot sect i ons of st eel spi l l way r i ser shal l be shop assembl ed pr i or t o del i ver y t o t he wor k s i t e.

2. 1. 2 St eel

Al l s t r uct ur al s t eel member s r equi r ed f or f abr i cat i on of t he new spi l l way r i ser sect i ons shal l conf or m t o ASTM A36/ A36M and shal l be t he s i ze and shape as shown on t he dr awi ngs. The st eel used shal l be sui t abl e f or wel ded and bol t ed const r uct i on.

SECTI ON 33 40 02 Page 5

* * * AMENDMENT 0001* * *

2. 1. 3 Coat i ng Syst em

Al l new spi l l way r i ser sect i ons shal l be t hor oughl y c l eaned, conf or mi ng t o SSPC SP 10/ NACE No. 2, i nsi de and out , i ncl udi ng al l har d- t o- r each cor ner s, and t hen shal l be compl et el y coat ed wi t h a coal t ar epoxy- pol yami de pai nt i n t wo ( 2) coat s t ot al i ng s i xt een ( 16) mi l s ( mi ni mum) . The coat i ng syst em shal l conf or m t o SSPC PS 11. 01.

* * * AMENDMENT 0001* * *

2. 1. 3. 1 Pai nt

The pai nt used shal l conf or m t o SSPC Pai nt 16.

2. 1. 3. 2 Appl i cat i on Equi pment

Appl i cat i on by heavy- dut y convent i onal ai r at omi zat i on spr ay equi pment i s r ecommended unl ess ot her wi se speci f i ed by pai nt manuf act ur er . Second coat shal l be appl i ed wi t hi n 72 hour s of appl i cat i on of f i r st coat .

2. 1. 3. 3 Weat her Condi t i ons

Temper at ur e and humi di t y ar e cr i t i cal f or t he cur e of coal t ar epoxy pai nt s. Do not appl y such pai nt s when t he ambi ent t emper at ur e i s bel ow 60 degr ees F or when t he ambi ent t emper at ur e i s not at l east 5 degr ees F above t he dew poi nt .

2. 1. 3. 4 Sur f ace Temper at ur e/ Shadi ng

When t he st eel subst r at e or an appl i ed coat i s exposed t o sunl i ght and i s expect ed t o have sur f ace t emper at ur es above 125 degr ees F, ei t her t he sur f aces shal l be shaded by over head cover or t he i nt er coat dr y i ng t i me shal l be adj ust ed downwar d t o avoi d poor i nt er coat adhesi on. The cur i ng t i me bet ween coat s shoul d not exceed one ( 1) day i n hot weat her .

2. 1. 3. 5 Col or

The f i r st coat shal l be dar k r ed and shal l be 8 mi l s mi ni mum dr y t hi ckness.

The second coat shal l be bl ack and shal l be 8 mi l s mi ni mum dr y t hi ckness.

2. 1. 3. 6 Thickness

Caution:

Excessi ve f i l m t hi ckness can r esul t i n sol vent ent r apment and f i l m cr acki ng. Epoxi es whi ch ar e appl i ed excessi vel y t hi ck t end t o cr ack and di sbond due t o i nt er nal st r esses wi t hi n t he coat i ng because of shr i nkage dur i ng t he cur i ng r eact i on. The t ot al dr y f i l m t hi ckness of t he t wo coat s of coal t ar epoxy shal l not exceed 60 mi l s. The dr y f i l m t hi ckness of anyone coat shal l not exceed 40 mi l s. Coat s exceedi ng t hese t hi cknesses shal l be st r i pped of f and r edone at t he Cont r act or ' s expense.

2. 1. 3. 7 Manuf act ur er ' s Recommendat i ons

The Cont r act or shal l f ol l ow al l i nst r uct i ons and r ecommendat i ons of t he pai nt manuf act ur er r egar di ng t hose i t ems whi ch ar e not spoken t o by t hese speci f i cat i ons or by SSPC PS 11. 01.

SECTI ON 33 40 02 Page 6

2. 1. 4 Spi l l way Ri ser Ladder

The Cont r act or shal l pr ovi de a f i xed ver t i cal l adder f or t he new spi l l way r i ser sect i ons at Spi l l ways 4, 5, and 6. The f i xed ver t i cal l adder shal l be l ocat ed on t he i nt er i or of t he backsi de ( s i de wi t h ½- i nch pl at e st eel ) of t he r i ser st r uct ur e and al i gned wi t h t he exi st i ng l adder of t he exi st i ng spi l l way r i ser s. The f i xed ver t i cal l adder s shal l not be l ess t han 16 i nches wi de, measur ed i nsi de t he r ai l s , and shal l have r ungs 1 i nch i n di amet er , equal l y spaced on appr oxi mat el y 12- i nch cent er s. The ver t i cal l adder s, i ncl udi ng f ast eni ngs, shal l be desi gned f or a t ot al l oad of 1, 000 pounds. Ladder s shal l have an ext ensi on t hat ext ends a mi ni mum of 3- f eet above t he gr at i ng of t he t op of t he spi l l way r i ser . Ladder s shal l be f abr i cat ed f r om st eel conf or mi ng t o ASTM A36/ A36M and shal l be hot di pped gal vani zed af t er f abr i cat i on t o meet ASTM A123/ A123M. Ladder s shal l be f abr i cat ed t o meet t he r equi r ement s of ANSI A14. 3.

2. 2 SPI LLWAY PI PE

The new spi l l way di schar ge pi pe shal l be SDR 11 HDPE pi pe. HDPE shal l meet t he r equi r ement s of subpar agr aph Hi gh Densi t y Pol yet hyl ene ( HDPE) Pi pe.

2. 2. 1 Hi gh Densi t y Pol yet hyl ene ( HDPE) Pi pe

The HDPE pi pe shal l be 30- i nch SDR 11- I PS hi gh densi t y pol yet hyl ene ( HDPE) pl ast i c meet i ng, as a mi ni mum, t he r equi r ement s of ASTM F714. The Cont r act or shal l pr ovi de cer t i f i cat i on t hat t he pl ast i c pi pe meet s t hese requirements.

2. 3 HARDWARE

2. 3. 1 Spi l l way Ri ser Har dwar e

Har dwar e ( nut s, bol t s, and washer s) f or bol t i ng spi l l way r i ser sect i ons t oget her , f or spi l l way r i ser assembl y, and at t achi ng spi l l way r i ser t o spi l l way f oundat i on pad shal l be sui t abl e f or i t s i nt ended use and shal l ( as a mi ni mum) conf or m and meet ASTM A325 f or bol t s and ASTM A563 f or nut s. Exi st i ng spi l l way r i ser har dwar e may be r ei nst al l ed i f i n good condition.

2. 3. 2 St eel Wal kway Har dwar e

Har dwar e ( nut s, bol t s, and washer s) f or bol t i ng st eel wal kway shal l be sui t abl e f or i t s i nt ended use and shal l ( as a mi ni mum) conf or m and meet ASTM A325 f or bol t s and ASTM A563 f or nut s. Exi st i ng st eel wal kway har dwar e may be r ei nst al l ed i f i n good condi t i on.

2. 4 WALKWAY

Exi st i ng st eel wal kways and suppor t i ng col umns ar e descr i bed on t he dr awi ngs. The suppor t i ng col umns shal l be ext ended due t o t he i ncr ease of t he hei ght of t he spi l l way r i ser s. See suppor t col umn connect i on det ai l s on t he dr awi ngs.

St r uct ur al st eel member s r equi r ed f or f abr i cat i on of t he suppor t i ng col umns shal l conf or m t o ASTM A572/ A572M, Gr ade 50 and shal l be t he s i ze and shape as shown on t he dr awi ngs. The st eel used shal l be sui t abl e f or wel ded and bol t ed const r uct i on. Al l s t eel member s of t he suppor t i ng col umns shal l be hot di pped gal vani zed i n accor dance wi t h ASTM A123/ A123M.

SECTI ON 33 40 02 Page 7

2. 5 CONCRETE

2. 5. 1 Spi l l way Ri ser Foundat i on and Wal kway Suppor t Pad

Concr et e shal l be NCDOT Cl ass " AA" concr et e wi t h a mi ni mum 28 day compr essi ve st r engt h of 4500 PSI . Concr et e, mat er i al s, pl acement , admi xt ur e, t est i ng and sampl i ng shal l be i n accor dance wi t h t he NCDOT speci f i cat i ons. A mi ni mum of t hr ee st r engt h t est cyl i nder s shal l be made by t he Cont r act or f or concr et e pl acement . One cyl i nder shal l be st r engt h t est ed at 7 days and one at 28 days by t he Cont r act or wi t h t he t hi r d hel d i n r eser ve. Mi ni mum concr et e st r engt h f or er ect i on of t he spi l l way i s 3000 PSI . Exi st i ng spi l l way r i ser f oundat i on and wal kway suppor t pads may be r ei nst al l ed i f i n good condi t i on.

2. 6 REI NFORCI NG STEEL FOR SPI LLWAY FOUNDATI ON AND WALKWAY SUPPORT PAD

Rei nf or c i ng st eel f or t he spi l l way f oundat i on pad shal l be #4 def or med bar s, conf or mi ng t o ASTM A615/ A615M, Gr ade 60 and shal l conf or m t o t he s i ze and spaci ng as shown on t he dr awi ngs.

2. 7 GEOTEXTI LE

See r ef er ence dr awi ng R- 1 f or geot ext i l e pl acement r equi r ement s f or t he spi l l way f oundat i on pads.

2. 8 COARSE AGGREGATE

Coar se aggr egat e f or t he spi l l way f oundat i on pads shal l be NCDOT #57 st one. See Ref er ence dr awi ng R- 1 f or pl acement l i mi t s.

2. 9 SATI SFACTORY MATERI AL

Sat i sf act or y mat er i al shal l conf or m t o t he r equi r ement s of Sect i on 31 01 00:

DI KE EMBANKMENT.

2. 10 SPI LLWAY RI SER/ DI SCHARGE PI PE CONNECTI ON

The connect i on bet ween pl ast i c pi pe and spi l l way r i ser shal l consi st of a pol yet hyl ene f l ange connect or or st ub end connect or ( SDR 11 r at i ng) wi t h a met al s l i p- on back- up r i ng ( or back- up f l ange) whi ch shal l be st ai nl ess st eel or duct i l e i r on whi ch has been hot - di pped gal vani zed. Duct i l e i r on mat er i al shal l meet ASTM A536. The back- up r i ng shal l be convol ut ed, r at ed at 150 l b. , and conf or m t o ANSI / ASME B16. 5 v i t al di mensi ons. Connect i on det ai l s ar e shown on t he r ef er ence dr awi ngs. The exi st i ng connect i on component s may be r ei nst al l ed i f i n good condi t i on.

PART 3 EXECUTI ON

3. 1 DEWATERI NG SYSTEM

The Cont r act or shal l desi gn and pr ovi de a dewat er i ng syst em as needed t o f aci l i t at e t he wor k f or r el ocat i on of t he spi l l way syst ems. The dewat er i ng syst em may i ncl ude cof f er dams, sheet pi l e wal l s, et c. The dewat er i ng syst em shal l not be r emoved unt i l t he spi l l way r i ser s and pi pes have been pr oper l y i nst al l ed and backf i l l i ng oper at i ons ar e compl et e and appr oved by t he Cont r act i ng Of f i cer .

SECTI ON 33 40 02 Page 8

3. 2 I NSTALLATI ON OF NEW SPI LLWAY RI SER

The exi st i ng and new spi l l way r i ser sect i ons shal l be i nst al l ed and set pl umb. The spi l l way and di schar ge pi pe const r uct i on ar ea shal l be dewat er ed as necessar y t o f aci l i t at e t he wor k. The Cont r act or shal l desi gn and pr ovi de a dewat er i ng syst em i n accor dance wi t h par agr aph DEWATERI NG

SYSTEM.

3. 2. 1 Wel di ng

Any wel di ng r equi r ed under t hi s cont r act shal l conf or m t o t he r equi r ement s of AWS D1. 1/ D1. 1M f or t he t ype and si ze of wel ds and mat er i al s and t ypes of wel di ng t o be used.

3. 2. 2 Fabr i cat i on Bef or e Coat i ng

Al l met al spi l l way r i ser f abr i cat i on, i ncl udi ng but not l i mi t ed t o, bol t hol es, wel di ng, et c. , shal l be compl et ed pr i or t o sandbl ast i ng and pai nt i ng.

3. 2. 3 Fi t

The mat i ng ends of spi l l way sect i ons shal l be uni f or m and f l ush.

3. 2. 4 Repai r s t o Coat i ng

Al l necessar y r epai r s t o t he coat i ng syst em af t er assembl y and i nst al l at i on of t he spi l l way r i ser sect i ons shal l be i n accor dance wi t h SSPC PS 11. 01.

3. 2. 5 Pi pe Fl ange Assembl y

The pl ast i c pi pe f l ange assembl y shal l be pr oper l y al i gned wi t h t he bol t i ng pat t er n on t he spi l l way r i ser f ace pr i or t o bol t i ng. Bef or e bol t i ng, a l ayer of bi t umi nous mast i c shal l be appl i ed t o t he f ace of t he spi l l way r i ser f or a wi dt h of 3" al l t he way ar ound t he l ar ge di amet er hol e i n t he r i ser . At t ach wi t h 1- 1/ 4" 7UNC- 2A x 6" l ong bol t s, nut s, and washer s, st ai nl ess st eel . The bol t s shal l be dr awn up evenl y t o ensur e a wat er t i ght connect i on. Under no c i r cumst ances shoul d t he bol t s be used t o pul l t he t wo component s t oget her t o over come a gap or mi sal i gnment . Bol t ed j oi nt s shal l be l ef t exposed f or 24 hour s and t hen r et i ght ened bef or e bei ng covered.

3. 2. 6 Hi gh Densi t y Pol yet hyl ene Pi pe Joi ni ng

Pl ast i c di schar ge pi pe shal l be j oi ned by t he t her mal but t - f usi on ( or heat - f usi on) met hod as out l i ned gener al l y i n ASTM D 2657, and speci f i cal l y i n t he manuf act ur er ' s r ecommendat i ons. The Cont r act or shal l pr ovi de manuf act ur er ' s cer t i f i cat i on t hat t he met hod used f or pi pe j oi ni ng wi l l pr ovi de a wat er t i ght j oi nt . The but t - f usi on j oi ni ng shal l be per f or med by qual i f i ed per sonnel i n accor dance wi t h t he pr ocedur es r ecommended by t he pi pe manuf act ur er such t hat a sol i d cont i nuous pl ast i c pi pe f r ee f r om l eaks, cr acks, and ot her def i c i enci es i s pr oduced.

3. 2. 7 SDR 11 t o SDR 26 HDPE Pi pe Connect i on

The new 30- i nch SDR 11 HDPE pi pe shal l be connect ed t o t he exi st i ng 30- i nch SDR 26 HDPE pi pe i n accor dance wi t h t he pi pe manuf act ur er ' s r ecommendat i on. Submi t pi pe manuf act ur er ' s r ecommended pi pe connect i on det ai l s t o t he Cont r act i ng Of f i cer or hi s/ her desi gnat ed r epr esent at i ve f or r evi ew and appr oval .

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3. 2. 8 Handl i ng and St or age

Al l pi pe shal l be handl ed and st or ed i n accor dance wi t h t he manuf act ur er ' s recommendations.

3. 2. 9 Cl eanl i ness and Wat er t i ght ness

Pi pe j oi nt s and f l ange assembl i es shal l be kept f r ee f r om di r t and ot her f or ei gn mat t er and shal l be wat er t i ght .

3. 2. 10 Ther mal Expansi on and Cont r act i on

To mi ni mi ze cont r act i on and expansi on due t o t emper at ur e, t he HDPE di schar ge pi pe shal l be pl aced and al l owed t o r emai n uncover ed f or 24 hour s. Then t he pi pe shal l be connect ed t o t he met al spi l l way r i ser and backf i l l i ng may pr oceed. I ni t i al cover of pi pe shal l be accompl i shed i n ear l y mor ni ng bef or e pi pe has heat ed up.

3. 2. 11 Foundat i on Pr epar at i on

Speci al car e shal l be t aken dur i ng t he i nst al l at i on of t he spi l l way r i ser s and HDPE di schar ge pi pe so as t o mi ni mi ze any f ut ur e set t l ement or damage t hat coul d af f ect t he pr oper and ef f ect i ve f unct i oni ng of t he spi l l way syst ems ( spi l l way r i ser and di schar ge pi pe) .

The ar ea t o be excavat ed f or t he spi l l way f oundat i on pad shal l pr ovi de a dr y, f i r m, and uni f or m f oundat i on f or t he pad. I t may be necessar y t o dewat er and/ or under cut t he spi l l way f oundat i on ar ea.

3. 2. 12 Pl aci ng Pi pe

Each sect i on of pi pe shal l be car ef ul l y exami ned bef or e bei ng l ai d, and def ect i ve or damaged pi pe shal l not be used. Pi pe shal l be l ai d t o t he gr ades and al i gnment i ndi cat ed on t he dr awi ngs.

3. 2. 13 Appr oval Pr i or t o Backf i l l i ng

The spi l l way syst ems ( i ncl udi ng pi pi ng) shal l be i nspect ed and appr oved by t he Cont r act i ng Of f i cer and/ or hi s/ her desi gnat ed r epr esent at i ve pr i or t o backf i l l i ng. No backf i l l i ng of any spi l l way syst em component shal l be done wi t hout t he appr oval of t he Cont r act i ng Of f i cer and/ or hi s/ her desi gnat ed representative.

3. 2. 14 Pi pe Beddi ng

The beddi ng sur f ace f or pi pe l ai d on t he gr ound shal l pr ovi de a f i r m f oundat i on of uni f or m densi t y. The pi pe shal l be car ef ul l y bedded i n mat er i al as shown on t he dr awi ngs and def i ned i n Sect i on 31 01 00 DI KE EMBANKMENT( subpar agr aph Sel ect Fi l l and Fi l t er Sand ) . The mat er i al shal l be shaped and r ounded t o conf or m t o t he l owest one- f our t h of t he out s i de por t i on of pi pe f or t he ent i r e l engt h of t he pi pe t hat has gr ound cont act .

I f over - excavat ed, t he beddi ng shal l be f i l l ed t o gr ade and t amped.

3. 2. 15 Fi l t er Di aphr agm and Hor i zont al Dr ai n

A f i l t er di aphr agm and hor i zont al dr ai n shal l be i nst al l ed f or each each spi l l way syst em. See dr awi ngs f or t he l ocat i on and det ai l s .

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3. 2. 16 Backf i l l i ng Pi pe

Af t er t he pi pe has been pr oper l y bedded, mat er i al ( as shown on dr awi ngs and def i ned i n Sect i on 31 01 00: DI KE EMBANKMENT, subpar agr aph Sel ect Fi l l and Fi l t er Sand) , at t he r equi r ed moi st ur e cont ent as def i ned i n Sect i on 31 01 00 DI KE EMBANKMENT ( par agr aph MOI STURE CONTROL) shal l be pl aced al ong bot h s i des of pi pe i n l ayer s not exceedi ng 6 i nches i n compact ed dept h. The backf i l l shal l be br ought up evenl y on bot h s i des of pi pe. The f i l l shal l be t hor oughl y compact ed under t he haunches of t he pi pe. Each l ayer shal l be compact ed i n accor dance wi t h Sect i on 31 01 00: DI KE EMBANKMENT ( par agr aph 3.8).

3. 2. 17 Cl ear i ng of Spi l l way

The spi l l way shal l be c l ear ed of any soi l , debr i s, or ot her mat t er t hat wi l l i nt er f er e wi t h i t s pr oper f unct i oni ng, bef or e st opl ogs ar e pl aced.

Al l s t opl ogs shal l be posi t i vel y seat ed.

3. 3 ACCEPTANCE

Af t er compl et i on of i nst al l at i on of t he spi l l way syst ems and t he backf i l l i ng oper at i ons, a document ar y, col or v i deo i nspect i on shal l be per f or med of t he i nsi de of each spi l l way pi pe, f r om t he connect i on wi t h t he spi l l way r i ser t o t he out l et end of t he pi pe. Each i nspect i on shal l be r ecor ded di gi t al l y and submi t t ed on a DVD ( Di gi t al Ver sat i l e Di sk) t o t he Cont r act i ng Of f i cer or hi s/ her desi gnat ed r epr esent at i ve f or v i ewi ng and anal ysi s. The vi deo i nspect i on equi pment shal l be capabl e of per f or mi ng pan and t i l t v i deo i nspect i on of t he i nsi de sur f ace of each spi l l way pi pe. The Cont r act or shal l pr ovi de t he Cont r act i ng Of f i cer or hi s/ her desi gnat ed r epr esent at i ve al l r ecor ded di gi t al i nf or mat i on, whi ch shal l be accessi bl e t hr ough any st andar d DVD pl ayer . Al l v i deo i nspect i ons shal l be per f or med wi t h t he Cont r act i ng Of f i cer or hi s/ her desi gnat ed r epr esent at i ve onsi t e t o obser ve t he i nspect i on oper at i on. The Cont r act or shal l not i f y t he Cont r act i ng Of f i cer or hi s/ her desi gnat ed r epr esent at i ve at l east 5 days pr i or t o i nspect i on

An i nspect i on of t he spi l l way syst ems wi l l be per f or med by t he Gover nment pr i or t o pl acement of backf i l l . The i nspect i on wi l l i nc l ude but not be l i mi t ed t o t he f ol l owi ng: ver i f y i ng t hat al l soi l and debr i s has been r emoved f r om r i ser s, i nspect i ng f or damage t o r i ser coat i ng, i nspect i ng f or pr oper st opl ogs and pr oper seat i ng of same, and ver i f y i ng use of speci f i ed l umber and har dwar e. Anot her i nspect i on f or f i nal accept ance wi l l be made at t he t i me of f i nal compl et i on of al l wor k under t he cont r act . Def ect s f ound dur i ng ei t her i nspect i on shal l be cor r ect ed by t he Cont r act or pr i or t o accept ance.

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