Question and Answer A001.pdf

Question and Answer A001

Solicitation Number 20215281017 Replace Headgate Hoist Control Panel 1&2 Components and Wiring

1. Q) Sequence of Operation provided was not complete, the document labeled control wiring diagram has some of the scheme of operation but cuts off on "the". This helps us identify the purpose of each piece of equipment you want replace. Can you provide the remainder of the sequence of operation and related documents?

A) These are the sequence of operation and related documents. The sequence of operations is included within the Headgate Control Panel Manual.

2. Q) What is the length of the cable for the remote operation gate operator that is to be replaced?

A) The length of the cable for the remote operation gate operator that is to be replaced is Forty Feet long (40’ft).

3. Q) Can we get a scan of the submittal package containing the cut sheet of each of the current Westinghouse Components to be used for bid preparation?

A) Attached is the submittal package containing the cut sheet of each of the current

Westinghouse Components.

4. Q) Is the operation of each gate to be demonstrated at the start of the project, to confirm the current operation matches the sequence of operation listed in the plans?

How will any differences be addressed?

A) Yes, the operation of each gate will be demonstrated at the start of the project, to confirm the current operation matches the sequence of operation listed in the plans. Any differences will be addressed accordingly to the schematics.

5. Q) Given that the two control cabinets are to be completed separately, with one in operation for up to a month prior to the second, is the warranty period for each to be separate starting for the first one when it is placed into operation and the other taken offline?

A) Yes, the warranty period for each is to be separate starting with the first one when it is placed into operation and the other taken offline.

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:;n��l .:t=��.�0:0���1·;1 r1�1�1�::-:: ;�r·::ieC specl tted below.

B� Cortrol Point s . Th• operat. ion or tht- g•te shall be cont.Z"'Ol!�d by·

( l ) A pushbutton t7p� ma!StU' cont.rol st.at.ion, lccatl!LI on the door of t.to =o t.or c:Gnt.rol l•r, vlth ;aoi=•!'nt•rr cont.act.:: �e,slr;,:1!.�rl e:i "'R.a i :,,: • . '"Lcv�r•, •:;Lop". "'hnc:kouL l e.,"'vt· ovo.:,·�r'° v "l" "'nd •9,u �Jo:c;.ut lw ls♦ OY\."t•t.r•w,, 1 •.

(.: ) A pertdtuit. pu:s?lbuLton tvp• cont.rot :s to -..;.o!\ , wlth .-o,ant.ary coutects de-:,!gnotCNI a3 �Inch-Up• and •Inch'D'>'-'n •, pro'liCed w1t.h a rub?:utr•Joi;r.e- t.ed .:able of' autt..9ble lont:th to puidt. �crnY<Htii•nt op eration or t.ho:st! control:,. rrcc th� floor or t.he l nqM.•CLlon rou•. Thv r-ubbcr-Jaclu,t.tfj c:i.bl• :sholt t.v.-n l n•t.e- S n tt pol,, rt �C'd '11'at.oJ"t. lrJ1\. plu.� vh11:"i ,1,.- l l rt1. t.J,e polar h'-'J vat.crt 1 r.t,t. "'"-cc"t.ocle , lo cat.�d on th., :s .. de of t!'ie ■otor icont.n.ollu· ic•blnet..

0) A drut:1 type ust.or centrol station , loca ted on the unit. inst.ruR•nt. bollrd whtch la adjacent.

t.o t.h& t;cnera t!ng u.nit. i n t.hc pcw"!rhou:H , -,1th QO• 111ent.ary contact. d(?:ot 1 ,;nat•d •c1f;.••• (Thh :swt t.ch h not furn l 'thcd unc:h:r thi s c�11t.rac :. J .

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!r betwee:1 �he ra1s•d or lovered posi tion.1 1 oo=en.tary act"Jack, o! t.he "Ra!.s•"' or "Lower• contacts or t.he �st�r cant:-ol st.atlon shall provide seal-in operatior: ot t�e ci>nt.ro l cl�\lh, .

( 2 ) ._•nta.ry act.uat.ion . durtn,g any OFeret.1on, or t.h• •stop ,. cont.act. o " the &a�tttr control , ta-.

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( ) ) Mo••ntary actuation o!' t.he contact c !" the dna t.yp. .. :,ter swlt.ch on the w:-:lt 1.n3t.r'.1.'H"1t.

board• the gate being: •t. or below t.he r.'-�l op.

:�•��:C c�:;!{0�ir!!!!!1 t�"t:!:: ::�;-�: �r.:r:i!�� po3lt.1on.

(4) Actuation or t.he "Inch.up• or •I:1ch-Down" :ontacts of t.h.e: pendant. control stat.ton, the gate oein.& ln or above the raised pos1t1c :i, shall ener• giae the control circuit to DOve the t•t• l� '·"• 1.irection co.rrespoMinc to the cont.•ct actuated ;.he control circuit ahell not seal - f n ror tnc�i!.� :,perat1an:,..

( .S ) A balan.c� .. iressu.re interlock sVitc!'" (ru,"";

turn1shed under thla contrac t.) wlt.h a no�ll::, clo.d cont.act.. shall be provided 1.0 pre'ler.t.

r•19 in& the gate trom the closed po3it1on unless the PNl3\lr'CS on bot.h sidea at the- get.e are bal• ■need.

f61 A 11.alt switch, •1th cont.acts •ct.U.t.e-d by the no•eaent ot t.he operati ng •lem.ent.■ ot t.he hoiat. .. cRine, ahaill au.toaatlcally control . as in dicated., the sequence and operettons init.lat.ed N.nullT troa the control at.atiol\ti .

{7 1 Jn,llo•tinc lights to indioat• th• posi tion ot the &•t• a hall be provided as f"ollows :

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trol, SW1 tch located on t.he Wll t lnst.ruaent board to indicate 'lfhen the gate ia in the nonul ope.ra tlftll po■ition.

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(J.J k• l ·• . z;r. wl en t.?,• •R11 ! s�• cor.tac;t or t!'te i-.a.at•r CGR!.f"ll :it. O \. fo (,,n 1 � act.u:.tcd , ., ... ld moac-n \11rH7 anJ r�l-:-• ��1 . t.ho C,Cl\O in th� clo:svcl Jx> U t. 1'-n, t."i,. hc :.:i:t �tor <st.:.l l :u.,11r·t a,111 run \J:itU

;�:1ta�!1 ���c:;�:1ih:u�=::�!�.ri;1�!�:n:�:r:. '-��e c;-c.r.irc l eSrcu t t. . stop t.he ho i st 11mt.or. set �he br,u ... ._hon the prt:,S\INlf _an t,oi,h :, 1 di!:t of the r.•t.e lt r'! trq J."11 1 lS.:!d t�� b1tl:mciJ prv�S'.Jro , ... t.cl1 CU"• iatt.31 •h•ll clo:se wli•n r11 1::e 1s ■cll.ua t.t<'� •�a l n , t h � ho ist. aol<lt' :shal t slel't. anrt ru n unt. 1 1 t.h� '-AtD reache, :t,.• rai sed poi, 1 Uoh ._t,ert the- l irti t.

sw1 t.ch s!-tall au�o:att callT Ce-enorg:1.ze the con :.r-..1 eircu ! : , st.op t.he hot.st e.ctor. set. the brake ._,d •nergh• t.he blue 1 M i cR�1� U,;ht. on -:.ho ufl' tt t n, .. w v

�"�!� , !:h!�• tf:"!�e�;�• cont.ac t. of' t.tie• us;er cot1.t.rol �v!tch , the gate being in or below the :-a ised posit.ion is actuat.ed, he-ld ootentarlly en( r-e:.eased . the �oist. f!Otor shall st.art and. ru:, i f I;�: �!t�c�•=�:il !�:o:!.�::!1r;

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( e ) Pla cing gate 1n non::al oper•tint: pc:sU.lon the g.\ \.t- lit.all 'o-t- �rought t.:;i, t.t:.e n�r::.el operat.1ne

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r t.;:"�j �f�r:::-t.1ng lich-:. !s e-n.ergize�, ��e- co:1.;rol c1rc u h . .s"aall bt dt-ene:-g!.z.eC t7 :c.::.�r.t.•ry act.:at!o.-? o r tt,e •st.c.;:. '" contac-:. o! th• ::a.;.t.er C';>n:.rcl sw1 1..ch , to ·u�p the oo-:.or and set tt-.e t rake .

(D ) Lo;:e r1ng f:-om Wl!.t 1�! t.r-wtent. board whe:'1 the low•r ccr.tact o� tt.e '1ro.£.'! type :tast.er con tact. sU,t.!on ao1.:11-:.1;t on the unt t 1nst.�ent board 1s actuated , held c.ocet:.t.ari l y . a!'K! relea sed , t.�e 1•t• be-!nc in or below t?-.e �Ott.al operating pos1-i:.or., the ho!n, i=ot�r sl".al.! st•rt and run until the 1ate N&c!-.es the clo!ed posit.ion, where tt-e Unit. s-,i�et. shall autc!:atic•lly de-energ1&e \he cont.rot c1rcu!. t , stoi, the cotor, set the t>r•k•.

a:,d �::e:-& !ze the: creen lndicacln« ltcht Oft the \l."1lt 1 ra tr·�ent board in the pcwe rhouse .

(£) !nc., ing, t. o raise tM gate when i t. i s ln or- ab1ne tl'.e raised pos ltlon, tf':• "Inch-Up• con t.ac::t sh,ll be actuated &J\d h•ld . Tt-.e 1ate hoist.

act.o r shall t.hen stert and run unt.1 l the •rnc:h Up• contact. 1• Nl e•sff, d•••n•rci&lnc; the �on trol circui t , st.opp1ng: the h, ist aot.or and u:t• Ung th• brake, or v.ntll the gate reac�es the UP per inch posit.ion wt-.•r• the ll•it t"'-1t.ch shall automatically perron1 these :same functions . To loker the gate when l t is above th• raised posi tion:. the •Inch- Down : contact. et.el l be actuated and hel d , t-he hoist 1DOt..or shall then start and run unt.U the •Jnch-Do1m• contact 13 rel eased, d• energiz!nc: the control c�rcu1 t . stopping the hoist -,tor and sett.tng the brake, or until the gate reache1 the raieed po31t.ion where t.he lJ•lt.

svltch sh•ll &\ltOMtic;•lly pertona tt-.ese aaiae t'wlu.icns.

(F) Back.out. rroa overt.ravel.

(1) lt, durlnc normal operat.ian, the hoist ao!.or .sl-:ould !•1 l t.O stop when the gate N•ches the ra! aed or clo sed posit.ion the lbsit. switch aboll automatically st.op tt-e hol,tt aot.or after OYertravel by de-en•r&h:lng the d rcuit or the aa! n or Hne cont.actor.

(2) To operate the ho15t DOtor art.er over• tro'Jel has occm-red the 11ppropr1ete bac1tout con tact !hall be •ctuat.•d and held to p♦rait. -,ye• menc to r••torc- the control c,o, non1Al , only ln the d!rectlon. •�•T tree t.he ov•rtr•vel poslt1 011 by z:11·•ns ot ei t.l'.or the rahe .:ontact • in t.he ca.

of lower o·t•rtra·rel or the lower ccmtact ln t.he

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