Amendment 0001 -- 01 71 23.05 13-Edits.pdf

NESP MOORI NG CELL AND DOLPHI N LOCK 7 Sol i c i t at i on No. W912ES25BA009

SECTI ON TABLE OF CONTENTS

DI VI SI ON 01 - GENERAL REQUI REMENTS

SECTI ON 01 71 23. 05 13

CONTRACTOR SURVEYS

PART 1 GENERAL

1. 1 DEFI NI TI ONS

1. 2 REFERENCES

1. 3 AVAI LABLE DATA FROM THE GOVERNMENT

1. 4 SUBMI TTALS

1. 5 GEOSPATI AL DATA

1. 5. 1 Met adat a

1. 5. 2 Geospat i al I nf or mat i on

1. 5. 2. 1 GNSS/ GPS Dat a

1. 5. 2. 2 Fi el d Not es/ Books

1. 6 DATUMS AND UNI TS OF MEASURE

1. 7 MEASUREMENT AND PAYMENT

1. 8 QUALI TY CONTROL

1. 8. 1 Qual i t y Cont r ol Pl an

1. 8. 2 Layout s and Sur veys

1. 9 PROFESSI ONAL SURVEYOR

1. 9. 1 Pr of essi onal Cer t i f i cat i on and Wor k Exper i ence

1. 10 GEOSPATI AL DATA COLLECTI ON EQUI PMENT

1. 10. 1 Posi t i oni ng Equi pment

1. 10. 2 Hydr ogr aphi c Sur vey Equi pment

PART 2 PRODUCTS

PART 3 EXECUTI ON

3. 1 COMMENCEMENT, PERFORMANCE, AND COMPLETI ON

3. 1. 1 Gener al

3. 1. 2 Al i gnment Changes

3. 1. 3 Geospat i al Dat a Col l ect i on

3. 1. 3. 1 Pr el i mi nar y Sur veys

3. 1. 3. 2 Layout Sur veys

3. 1. 3. 3 As- Bui l t Sur veys

3. 1. 3. 3. 1 Pr oj ect El ement s and Feat ur es

3. 1. 3. 3. 2 Ut i l i t i es

3. 1. 3. 4 Quant i t y Sur veys f or Measur ement and Payment

3. 1. 3. 5 Sur veys f or Ver i f i cat i on of Desi gn Sect i on

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

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CONTRACTOR SURVEYS

PART 1 GENERAL

1. 1 DEFI NI TI ONS

Const r uct i on Sur veyi ng: Accur at el y pr ovi di ng al l necessar y comput at i ons, st akes and mar ks t o est abl i sh l i nes, s l opes, el evat i ons, poi nt s, and cont i nuous pr of i l e gr ades i n accor dance wi t h t he r equi r ement s and t ol er ances of t he pr oj ect t o enabl e a const r uct i on Cont r act or t o per f or m al l r equi r ed const r uct i on wor k f or t he pr oj ect i n accor dance wi t h t he Cont r act r equi r ement s; and so t hat t he Cont r act i ng Of f i cer can per f or m al l necessar y cont r act admi ni st r at i on dut i es.

Ter r ai n Model ( . DWG) : A set of t hr ee- di mensi onal t r i angl es mat hemat i cal l y comput ed f r om poi nt dat a col l ect ed on t he sur f ace bei ng model ed. Model s ar e used t o def i ne i r r egul ar sur f aces, par t i cul ar l y t he sur f ace of t he ear t h.

Di gi t al Ter r ai n Model ( . DWG) : A sur f ace model cr eat ed usi ng Aut odesk Ci vi l 3D v2023 sof t war e t hat i ncor por at es t he el evat i ons of s i gni f i cant t opogr aphi c f eat ur es, bat hymet r i c f eat ur es, mass poi nt s and br eakl i nes t hat ar e i r r egul ar l y spaced t o bet t er char act er i ze t he t r ue shape of t he bar e- ear t h t er r ai n.

Geospat i al Dat a: Dat a or i nf or mat i on t hat i dent i f i es t he geogr aphi c l ocat i on of f eat ur es and boundar i es on Ear t h, such as nat ur al or const r uct ed f eat ur es. Spat i al dat a i s usual l y st or ed as coor di nat es and t opol ogy, and i s dat a t hat can be mapped.

Gl obal Navi gat i on Sat el l i t e Syst em ( GNSS) : Ref er s t o a gl obal const el l at i on of sat el l i t es pr ovi di ng si gnal f r om space t r ansmi t t i ng posi t i oni ng and t i mi ng dat a. Thi s i ncl udes GPS, GLONASS, Gal i l eo, Bei dou and ot her r egi onal syst ems. Posi t i oni ng Equi pment : Ref er s t o devi ces t hat pr oduce ( di r ect l y or i ndi r ect l y) geogr aphi c coor di nat es or el evat i on val ues as an out put . See par agr aph POSI TI ONI NG EQUI PMENT f or exampl es.

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 i n t he t ext by basi c desi gnat i on onl y.

U. S. ARMY CORPS OF ENGI NEERS ( USACE)

EM 1110- 1- 1003 ( 2011) Engi neer i ng and Desi gn: NAVSTAR Gl obal Posi t i oni ng Syst em Sur veyi ng

EM 1110- 1- 1005 ( 2007) Cont r ol and Topogr aphi c Sur veyi ng

EM 1110- 1- 2909 ( 2012) Engi neer i ng and Desi gn: Geospat i al Dat a and Syst ems

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EM 1110- 2- 1003 ( 2013) Engi neer i ng and Desi gn:

Hydr ogr aphi c Sur veyi ng

EM 1110- 2- 6056 ( 2010) Engi neer i ng and Desi gn: St andar ds and Pr ocedur es f or Ref er enci ng Pr oj ect El evat i on Gr ades t o Nat i onwi de Ver t i cal Dat ums

1. 3 AVAI LABLE DATA FROM THE GOVERNMENT

Af t er cont r act awar d desi gn model s ( . dwg) and t er r ai n model s ( . dwg) ar e avai l abl e upon r equest . Conver t i ng t hese f i l es t o ot her f or mat s i s t he Cont r act or ' s r esponsi bi l i t y .

1. 4 SUBMI TTALS

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 must be submi t t ed 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

Const r uct i on Sur veyi ng Wor k Pl an and Schedul e; G, SURV

I nf or mat i on as def i ned i n Par agr aph: Layout Sur veys.

Qual i t y Cont r ol Pl an; G, SURV

I nf or mat i on as def i ned i n Par agr aph: Qual i t y Cont r ol Pl an.

Pr el i mi nar y Sur vey; G, SURV

I nf or mat i on as def i ned i n par agr aph: Pr el i mi nar y Sur veys.

Pr of essi onal Cer t i f i cat i on and Wor k Exper i ence; G, SURV

I nf or mat i on as Def i ned i n par agr aph: Pr of essi onal Cer t i f i cat i on and Wor k Exper i ence.

SD- 11 Cl oseout Submi t t al sAs- Bui l t Sur vey; G, SURV

I nf or mat i on as def i ned i n Par agr aph: As- Bui l t Sur veys.

Geospat i al Dat a

I nf or mat i on as def i ned i n Par agr aph: GEOSPATI AL DATA.

1. 5 GEOSPATI AL DATA

1. 5. 1 Met adat a

Al l geospat i al i nf or mat i on submi t t ed must i ncl ude Feder al Geogr aphi c Dat a Commi t t ee ( FGDC) compl i ant met adat a. See EM 1110- 1- 2909 or ht t p: / / www. f gdc. gov/ met adat a/ document s/ wor kbook_0501_bmk. pdf f or mor e i nf or mat i on.

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1. 5. 2 Geospat i al I nf or mat i on

Geospat i al dat a t hat may be used i ncl ude any of t he f ol l owi ng i nf or mat i on:

GI S dr awi ngs/ maps, hydr ogr aphi c sur veys, t opogr aphi c mappi ng, geor ef er enced di gi t al dr awi ngs gener at ed f r om har d copy maps/ dr awi ngs, hi gh- or der geodet i c cont r ol ( hor i zont al and ver t i cal ) sur veys usi ng Gl obal Navi gat i on Sat el l i t e Syst em ( GNSS) or Gl obal Posi t i oni ng Syst em ( GPS) and convent i onal sur vey t echni ques f or cont r ol and pr oper t y/ boundar y sur veys.

For r ecommended accur aci es see EM 1110- 1- 1005 - Chapt er 6 and EM 1110- 1- 1003 - Chapt er 8.

1. 5. 2. 1 GNSS/ GPS Dat a

Col l ect and submi t t o t he Cont r act i ng Of f i cer t he GNSS obser vabl es ( L1/ L2) i n bot h t he GNSS r ecei ver ' s nat i ve f or mat and t he Recei ver I ndependent Exchange For mat ( RI NEX) al l Real Ti me Ki nemat i c, St at i c, and Di f f er ent i al Sur veys. I f a Vi r t ual Ref er ence Net wor k ( VRS) i s not used, a compl et ed obser vat i on l og sheet i s r equi r ed f or each base st at i on occupat i on/ sessi on. Al l GNSS/ GPS cont r ol sur veys r equi r e " c l osed" obser vat i on campai gns. A " c l osed" campai gn consi st s of mor e t han one obser vat i on of each cont r ol poi nt . Use appr opr i at e obser vat i on t i mes f or t he l evel of accur acy r equi r ed f or t he t ype of wor k.

1. 5. 2. 2 Fi el d Not es/ Books

Submi t al l or i gi nal f i el d books/ not es/ comput at i on sheet s f ul l y descr i bi ng t he geospat i al dat a col l ect i on and al l s i gni f i cant event s r el at ed t o sai d event . Thi s al l ows t he Cont r act i ng Of f i cer t o appl y qual i t y assur ance measur es t o t he dat a col l ect . Compi l e t he f or mat and cont ent of f i el d not es/ books accor di ng t o EM 1110- 1- 1005- Chapt er 12.

1. 6 DATUMS AND UNI TS OF MEASURE

Use t he spat i al r ef er ence i nf or mat i on on t he dr awi ngs. Ensur e al l geospat i al dat a submi t t ed i s r ef er enced t o t he Nat i onal Spat i al Ref er ence Syst em ( NSRS) .

1. 7 MEASUREMENT AND PAYMENT

No separ at e payment wi l l be made f or t he wor k cover ed under t hi s sect i on.

I ncl ude al l cost s associ at ed wi t h t hi s sect i on wi t hi n t he cont r act bi d i t ems most c l osel y r el at ed t o t he wor k.

1. 8 QUALI TY CONTROL

Est abl i sh and mai nt ai n qual i t y cont r ol f or t he wor k of t hi s sect i on t o assur e compl i ance wi t h t he cont r act r equi r ement s. Mai nt ai n r ecor ds of qual i t y cont r ol f or al l geospat i al dat a col l ect i on i ncl udi ng but not l i mi t ed t o t he f ol l owi ng:

1. 8. 1 Qual i t y Cont r ol Pl an

Submi t a pl an f or conduct i ng qual i t y cont r ol f or t he wor k t o be per f or med under t hi s speci f i cat i on. Appr oval of t he QCP by t he Cont r act i ng Of f i cer i s r equi r ed pr i or t o commenci ng f i el d wor k. Out l i ne t he per sonnel , equi pment , and act i v i t i es schedul ed by t he Cont r act or or subcont r act or ( s) t o meet cont r act r equi r ement s. I ncl ude t he expect ed dat a f or mat s t o be submi t t ed. Det er mi ne and use t he appr opr i at e pr ocedur es and t echni ques f or t he r equi r ed t asks.

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1. 8. 2 Layout s and Sur veys

Keep a dai l y l og of l ayout wor k and sur veys consi st i ng of t ype and l ocat i on usi ng t he Gover nment - f ur ni shed cont r ol syst em as st at ed i n t he

CONTRACT CLAUSE 52. 236- 17 LAYOUT OF WORK.

1. 9 PROFESSI ONAL SURVEYOR

Al l geospat i al dat a col l ect i ons must be accompl i shed under t he di r ect i on of a pr of essi onal sur veyor l i censed and r egi st er ed by t he st at e or st at es i n whi ch t he wor k i s done. The pr of essi onal sur veyor must be on si t e at al l t i mes dur i ng sur veyi ng act i v i t i es. The pr of essi onal sur veyor must not have addi t i onal dut i es such as Super i nt endent or CQC Syst em Manager .

1. 9. 1 Pr of essi onal Cer t i f i cat i on and Wor k Exper i ence

Pr ovi de document at i on ver i f y i ng t he pr of essi onal sur veyor i s l i censed and r egi st er ed by t he st at e or st at es i n whi ch t he wor k i s done. Pr ovi de document at i on ver i f y i ng t hat t he pr of essi onal sur veyor has a mi ni mum of t hr ee year s exper i ence per f or mi ng si mi l ar t ype wor k. For hydr ogr aphi c sur veys, pr ovi de document at i on ver i f y i ng a mi ni mum of t hr ee year s of exper i ence i n hydr ogr aphi c sur veyi ng of navi gabl e channel s. Possessi on of a cur r ent hydr ogr aphi c cer t i f i cat i on f r om t he Amer i can Congr ess f or Sur veyi ng and Mappi ng ( ACSM) i s accept abl e i n l i eu of t he r egi st er ed Pr of essi onal Sur veyor r equi r ement f or hydr ogr aphi c sur veys.

1. 10 GEOSPATI AL DATA COLLECTI ON EQUI PMENT

1. 10. 1 Posi t i oni ng Equi pment

Posi t i oni ng equi pment f or geospat i al dat a col l ect i on must be capabl e of achi evi ng t he r equi r ed accur acy f or t he wor k bei ng per f or med. Per f or m i ni t i al cal i br at i on and subsequent checks i n accor dance wi t h t he manuf act ur er ' s i nst r uct i ons or t he l at est gui dance document s ( see par agr aph REFERENCES) . Pr ovi de document at i on of al l cal i br at i ons and subsequent checks t o t he Cont r act i ng Of f i cer . Posi t i oni ng equi pment i ncl udes, but i s not l i mi t ed t o, t he f ol l owi ng: convent i onal / r obot i c t ot al st at i ons, GNSS/ GPS syst ems, and di gi t al l evel s.

1. 10. 2 Hydr ogr aphi c Sur vey Equi pment

Per f or m hydr ogr aphi c sur veys usi ng a sonar equi pment ( f at homet er ) syst em or manual met hods. Sonar equi pment syst ems empl oy posi t i oni ng equi pment ( see par agr aph POSI TI ONI NG EQUI PMENT) t o geor ef er ence each measur ement .

Pr ovi de a saf e wor ki ng envi r onment f or hydr ogr aphi c dat a col l ect i on wher e sur veys may be obt ai ned t o t he l evel of accur acy r equi r ed f or t he pr oj ect .

PART 2 PRODUCTS

Not used.

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PART 3 EXECUTI ON

3. 1 COMMENCEMENT, PERFORMANCE, AND COMPLETI ON

3. 1. 1 Gener al

Execut e al l sur veys i n accor dance wi t h EM 1110- 1- 1003, EM 1110- 1- 1005, EM 1110- 1- 2909, EM 1110- 2- 1003, and EM 1110- 2- 6056. Layout t he wor k f r om t he Gover nment f ur ni shed hor i zont al / ver t i cal cont r ol poi nt s i n accor dance wi t h CONTRACT CLAUSE 52. 236- 17 LAYOUT OF WORK. 7 cal endar days pr i or t o commenci ng const r uct i on oper at i ons, have i n pl ace suf f i c i ent st akes and mar ki ngs al l owi ng t he Cont r act i ng Of f i cer t o obser ve t he f i el d l ayout of t he al i gnment and l i mi t s of each f eat ur e of wor k. St ake each f eat ur e of wor k t o def i ne ar ea l i mi t s such t hat t he Cont r act i ng Of f i cer can easi l y det er mi ne, wi t hout addi t i onal sur veys, i f al i gnment and/ or l i mi t adj ust ment s need t o be made. For embankment s, l evees, f l oodwal l s, and si mi l ar wor k, def i ne cont r ol l i ne, st at i oni ng, out er most f i l l / cut l i mi t s, and wor k l i mi t s wi t h st aki ng. For st r uct ur es and si mi l ar wor k, st ake t he st r uct ur e cor ner s and gr i d l i nes. St ake gener al s i t e wor k t o def i ne st agi ng ar eas, st or age ar eas, and ot her ar ea l i mi t s as di r ect ed. The Cont r act i ng Of f i cer may wai ve t hese r equi r ement s f or cer t ai n ar eas. The l ayout must be suf f i c i ent f or t he Cont r act i ng Of f i cer t o mar k t r ees, veget at i on and ot her f eat ur es t o be l ef t undi st ur bed. Cont r act i ng Of f i cer appr oval of f i el d l ayout i s r equi r ed pr i or t o commencement of wor k.

These st akes must r emai n or be r epl aced as needed dur i ng al l per i ods of act i ve wor k. I f st akes become damaged or ar e moved, t he Cont r act or must r epl ace t hem wi t hi n 24 hour s. The Cont r act i ng Of f i cer must have t he r i ght t o suspend wor k i f t he gr ade st akes ar e not mai nt ai ned.

A st af f gauge must be pr ovi ded and pl aced by t he Cont r act or i n t he pr oxi mi t y of t he wor k and mai nt ai ned t hr oughout t he dur at i on of t he pr oj ect .

Per f or m obser vat i ons of al l cont r ol poi nt s i n accor dance wi t h t he accur acy l evel appr opr i at e f or t he t ype of wor k bei ng per f or med. Ti e al l geospat i al dat a col l ect i ons t o a f i xed cont r ol poi nt t hat i s publ i shed i n t he Nat i onal Spat i al Ref er ence Syst em ( NSRS) .

3. 1. 2 Al i gnment Changes

The Cont r act i ng Of f i cer r eser ves t he r i ght t o make changes i n t he al i gnment of any f eat ur e of wor k as may be f ound necessar y dur i ng t he cour se of t he cont r act . Make no al i gnment changes or abandonment wi t hout pr i or wr i t t en appr oval f r om t he Cont r act i ng Of f i cer .

3. 1. 3 Geospat i al Dat a Col l ect i on

The Cont r act i ng Of f i cer r eser ves t he r i ght t o be pr esent f or al l geospat i al dat a col l ect i on f i el d wor k.

For pr el i mi nar y, as- bui l t , quant i t y sur veys and ver i f i cat i on of desi gn sect i on sur veys per f or m a br eakl i ne and gr i d st y l e sur vey/ poi nt c l oud of t he pr oj ect ar ea at suf f i c i ent spaci ng t o accur at el y def i ne s i t e condi t i ons and as- bui l t condi t i ons but not t o exceed 100 f eet . Conduct t he br eakl i ne and gr i d st y l e sur vey/ poi nt c l oud wi t h an equi pment t ype t hat can meet or exceed t he r equi s i t e accur aci es.

Pr oduce and submi t t he f ol l owi ng f or appr oval : ( 1) a t er r ai n model i n

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Aut odesk Ci vi l 3D . dwg f or mat , LandXML f or mat 1. 2 or i n a f or mat compat i bl e wi t h Aut odesk Ci vi l 3D appr oved by t he Cont r act i ng Of f i cer . The t er r ai n model shoul d i ncl ude pl ani met r i cs, spot el evat i ons, br eakl i nes, voi ds and cont our s. ( 2) XYZ t ext f i l e wi t h descr i pt i ons. ( 3) Met adat a ( i n an . xml , . gen, or . met f i l e f or mat ) associ at ed wi t h submi t t al . ( 4) For hydr ogr aphi c sur vey dat a, pl ot pl an v i ew and cr oss sect i ons of sur vey l i nes of each f eat ur e over l ai d on t he pr oj ect dr awi ng i n 11x17 . pdf f or mat .

3. 1. 3. 1 Pr el i mi nar y Sur veys

Run a pr el i mi nar y sur vey, l ocat i ng t he cont r ol l i ne ( i f appl i cabl e) , al l ot her s i gni f i cant f eat ur es t hat may af f ect t he desi gn and/ or const r uct i on of t he pr oj ect wi t hi n t he l i mi t s of t he wor k, and al l exi st i ng condi t i ons f r om whi ch const r uct i on of t he desi gn f eat ur es wi l l be based. Submi t al l geospat i al dat a ( r aw and pr ocessed) used t o der i ve pr el i mi nar y sur vey document at i on as evi dence of per f or mance and f or r evi ew by t he Cont r act i ng Of f i cer f or compl i ance wi t h appl i cabl e st andar ds and gui dance. At a mi ni mum, col l ect t he pr el i mi nar y sur vey usi ng t he appr opr i at e dat a col l ect i on equi pment ( par agr aph GEOSPATI AL DATA COLLECTI ON EQUI PMENT) f or t he accur acy l evel r equi r ed. Del i ver al l geospat i al dat a accor di ng t o par agr aph GEOSPATI AL DATA.

3. 1. 3. 2 Layout Sur veys

Conduct l ayout sur veys f or al l pr oj ect f eat ur es necessar y t o compl et e t he pr oj ect as r epr esent ed i n t he pl ans. Per f or m sur veys i n a t i mel y manner and t hat i s r ef l ect i ve of t he cont i nui ng and ongoi ng nat ur e of const r uct i on and i nspect i on act i v i t i es. Thi s wi l l gener al l y r equi r e f r equent , separ at e s i t e v i s i t s by t he Cont r act or ' s sur vey cr ew t o t he pr oj ect l ocat i on t o accommodat e t he var i ous st ages of const r uct i on and i nspect i on act i v i t i es t hat wi l l occur .

The Cont r act or i s:

1. r esponsi bl e f or t he pr eser vat i on of al l r ef er ence poi nt s, monument s, gover nment l and cor ner s ( Publ i c Land Sur vey Syst em cor ner monument s) , hor i zont al and ver t i cal cont r ol poi nt s, st akes, and mar ks t hat ar e est abl i shed by t he Gover nment or ot her s wi t hi n t he pr oj ect l i mi t s. I f t he Cont r act or f ai l s t o pr eser ve t hese i t ems and i f t he Gover nment must r eest abl i sh t hem, t he Cont r act i ng Of f i cer wi l l deduct a char ge f r om moni es due or becomi ng due t he Cont act or . Al l Publ i c Land Sur vey Syst em cor ner monument s r ecover ed or r eest abl i shed r equi r e a r ecor d of l ocat i on be f i l ed wi t h t he appr opr i at e aut hor i t y wi t h a copy sent t o t he Cont r act i ng Of f i cer .

2. r esponsi bl e t o r evi ew, bal ance, adj ust , cor r ect , and i nvest i gat e Gover nment - f ur ni shed dat a and t o per f or m wor k on sur vey dat a and cont r ol poi nt s t hat may be necessar y t o use t he sur vey poi nt s and dat a, al l at no ext r a cost t o t he Gover nment , unl ess i t i s det er mi ned by t he Cont r act i ng Of f i cer t hat l at ent er r or s exi st ed i n t he i nf or mat i on pr ovi ded by t he Gover nment .

3. t o st ar t and end al l l evel r uns, t r aver ses, or GNSS/ GPS cont r ol sur veys, f r om known cont r ol .

4. t o set al l st akes and mar ks i n such a manner t hat i s hi ghl y v i s i bl e and not at i ons t her eon l egi bl e and suf f i c i ent l y descr i pt i ve, unl ess ot her wi se agr eed t o.

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5. t o bear al l cost s, i ncl udi ng but not l i mi t ed t o t he cost of act ual r econst r uct i on of Cont r act wor k t hat may be i ncur r ed due t o er r or s i n Cont r act or ' s Const r uct i on Sur veyi ng.

6. Sur veyi ng Act i v i t i es:

a. Pr ovi de t he Cont r act i ng Of f i cer a 14 cal endar day wr i t t en not i ce bef or e t he Cont r act or needs t he Gover nment t o est abl i sh any hor i zont al and ver t i cal cont r ol poi nt s shown i n t he const r uct i on document s.

b. Submi t f or appr oval , pr i or t o commenci ng Sur veyi ng wor k, a wr i t t en Const r uct i on Sur veyi ng Wor k Pl an and Schedul e det ai l i ng t he f ol l owi ng:

i . Per t i nent i nf or mat i on as t o how t he r equi r ement s i n t hese speci f i cat i ons ar e bei ng met by t he Cont r act or .

i i . A pr oj ect speci f i c Const r uct i on Sur veyi ng Wor k Schedul e f or t he Const r uct i on Sur veyi ng and how i t r el at es t o t he t i me f r ame f or const r uct i on act i v i t i es and t he Gover nment i nspect i on needs i i i . A pr oposed met hod of communi cat i ons bet ween t he Cont r act or and Gover nment Per sonnel .

i v . How and when t he Cont r act or wi l l make del i ver y of t he as- bui l t Sur vey Dat a t o t he Cont r act i ng Of f i cer .

c. Dur i ng t he cour se of const r uct i on, pr ovi de not i ce of commencement of any Const r uct i on Sur veyi ng act i v i t i es.

3. 1. 3. 3 As- Bui l t Sur veys

3. 1. 3. 3. 1 Pr oj ect El ement s and Feat ur es

Af t er const r uct i on, conduct an as- bui l t sur vey of al l pr oj ect el ement s and f eat ur es t o accur at el y document t he r el at i onshi p bet ween t he desi gn l ocat i on and const r uct i on l ocat i on. Pr ovi de al l geospat i al dat a ( r aw and pr ocessed) used t o der i ve as- bui l t document at i on t o t he Cont r act i ng Of f i cer . Ensur e dat a i s i n compl i ance wi t h appl i cabl e st andar ds and gui dance. At a mi ni mum, el ect r oni cal l y col l ect al l as- bui l t sur veys of pr oj ect el ement s and f eat ur es usi ng t he appr opr i at e dat a col l ect i on equi pment ( par agr aph GEOSPATI AL DATA COLLECTI ON EQUI PMENT) f or t he accur acy l evel r equi r ed and pr oduce suf f i c i ent document at i on of t he as- bui l t condi t i ons. Del i ver al l geospat i al dat a accor di ng t o par agr aph

GEOSPATI AL DATA.

3. 1. 3. 3. 2 Ut i l i t i es

Conduct an as- bui l t f i el d sur vey of al l ut i l i t i es, cul ver t s and pi pel i nes af t er i nst al l at i on or r el ocat i on t o det er mi ne t he f i nal l ocat i ons and el evat i ons of al l ut i l i t y st r uct ur es such as manhol es, cat ch basi ns, gat e val ves, c l eanout s, ser vi ce connect i ons, and ot her speci al cont r ol s or st r uct ur es. Fi nal el evat i ons must be det er mi ned f or al l sewer i nver t s, cast i ngs, and ot her el evat i ons shown i n t he cont r act dr awi ngs. For ut i l i t i es t hat ar e r emoved and not r epl aced, t he r emoval l i mi t s and el evat i ons must be sur veyed. Show l ocat i ons usi ng t he same convent i on as t he or i gi nal cont r act dr awi ngs. I ncl ude t hi s i nf or mat i on on t he Cont r act or Recor d Dr awi ngs i n Sect i on 01 78 02. 00 10 CLOSEOUT SUBMI TTALS.

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3. 1. 3. 4 Quant i t y Sur veys f or Measur ement and Payment

Per f or m quant i t y sur veys i n accor dance wi t h CONTRACT CLAUSE 52. 236- 16 QUANTI TY SURVEYS- - ALTERNATE I . Per f or m quant i t y sur veys f or al l f eat ur es of wor k necessar y t o est abl i sh measur ement f or par t i al and f i nal payment s. Compl et e sur veys i n enough det ai l t o accur at el y det er mi ne quant i t i es and ver i f y t he r equi r ed sect i on. Tasks i ncl ude, but ar e not l i mi t ed t o, t he f ol l owi ng:

1. I ni t i al l y , per f or m geospat i al dat a col l ect i on pr i or t o i ni t i at i on of const r uct i on of t he f eat ur e of wor k accor di ng t o par agr aph Geospat i al Dat a Col l ect i on.

2. At t i me per i ods at whi ch par t i al payment s ar e t o be r equest ed, per f or m geospat i al dat a col l ect i on accor di ng t o par agr aph Geospat i al Dat a Col l ect i on.

3. Pr ovi de document at i on and al l associ at ed f i l es t o t he Cont r act i ng Of f i cer showi ng al l cal cul at i ons, not es, and det er mi nat i ons. I ncl ude cr oss- sect i ons wi t h quant i t y cal cul at i ons f or mat er i al wi t hi n t he desi gn sect i on and quant i t y of mat er i al out s i de t he desi gn sect i on.

4. For t he f i nal payment r equest , compl et e a f i nal geospat i al dat a col l ect i on accor di ng t o par agr aph Geospat i al Dat a Col l ect i on.

The Cont r act i ng Of f i cer may use t he sur veys f or t ol er ance ver i f i cat i on pur poses. Addi t i onal l y, t he Cont r act i ng Of f i cer may aut hor i ze an i ndependent ver i f i cat i on of any sur veys.

3. 1. 3. 5 Sur veys f or Ver i f i cat i on of Desi gn Sect i on

For bi d i t ems wher e t he uni t of measur e f or payment i s not i n uni t s of vol ume but wher e t he wor k r equi r ed i s based on achi evi ng speci f i c sect i on r equi r ement s, per f or m sur veys as def i ned i n t hi s par agr aph t o ver i f y t hat t he desi gn sect i on r equi r ement s have been sat i sf act or i l y achi eved.

Per f or m t he sur veys usi ng appr opr i at e met hods f or t he ver i f i cat i on of t he t hi ckness and geomet r y of t he mat er i al s pl aced as r equi r ed by t he cont r act document s. Tasks i ncl ude, but ar e not l i mi t ed t o, t he f ol l owi ng:

1. I ni t i al l y , per f or m geospat i al dat a col l ect i on pr i or t o i ni t i at i on of const r uct i on of t he f eat ur e of wor k accor di ng t o par agr aph Geospat i al Dat a Col l ect i on.

2. At t i me per i ods at whi ch ver i f i cat i on of desi gn sect i on i s r equest ed, per f or m geospat i al dat a col l ect i on accor di ng t o par agr aph Geospat i al Dat a Col l ect i on.

3. Pr ovi de document at i on and al l associ at ed f i l es t o t he Cont r act i ng Of f i cer showi ng al l cal cul at i ons, not es, and det er mi nat i ons. I ncl ude cr oss- sect i ons wi t h quant i t y cal cul at i ons f or mat er i al wi t hi n t he desi gn sect i on and quant i t y of mat er i al out s i de t he desi gn sect i on.

4. Compl et e a f i nal geospat i al dat a col l ect i on accor di ng t o par agr aph Geospat i al Dat a Col l ect i on.

The Cont r act i ng Of f i cer may use t he sur veys f or t ol er ance ver i f i cat i on pur poses. Addi t i onal l y, t he Cont r act i ng Of f i cer may aut hor i ze an i ndependent ver i f i cat i on of any sur veys.

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