REPAIR/REPLACEMENT OF PIPE LINES AND FILTER MEDIA FOR DISTRIBUTION SYSTEM INCLUDING CHEMICALS AND OTHER CONNECTED ITEMS AT NAA UNDER GE(NORTH) TEZPUR

Amount

Note 1: (Applicable for all parts/items) : The bidders/contractors are advised to read tender document, all drawings & all corrigendum/amendments and general condition of contracts before entry/quoting the rates. Note 2:- Attention to bidder is hereby invited to upload revised BOQ if published during their bid submission. Uploading of incorrect/ pre-revised BOQ shall be treated as non bonafide and rejected. Fixed credit has been given in technical documents which shall be taken into account during acceptance of bid/tender.

Excavation in trenches not exceeding 1.5 Mtr wide and not exceeding 1.5 Mtr depth in soft / loose/Hard soil and getting out for removing / laying of pipe lines complete all as specified and directed.

Returning and filling in including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick complete all as specified and directed.

Removing of surplus soil to a distance not exceeding 50 Mtrs and depositing where directed at a level not exceeding 1.5 Mtr above the starting point complete all as specified and directed.

Dismantling and taking up or down unserviceable / cracked steel tubing with all fittings including stop valves or gate valves including cleaning for re-fixing or removal to store as directed of the following sizes:-.

80/100mm bore.

40/50 mm bore

25mm bore.

20 mm bore.

S&F GI pipe medium grade inclduing all fittings such as bend, tee, elbow, union, reducer etc, fixed complete to wall or laid in floor including MS hooks / clamps of suitable size including dismantling of old unsv GI Pipecomplete all as specified and directed of the following sizes :-

25mm bore.

20mm bore.

15mm bore.

Supply and Laying GI Pipe medium grade including all fittings such as bend, tee, elbow, union, reducer etc, laid in trenches Complete all as specified and as directed of the following sizes:-

20mm bore.

25mm bore.

40mm bore.

50 mm bore.

80mm bore.

100mm bore.

S&F of 3- layer PP-R (Poypropylene random copolymer) pipes SDR 7.4 PN 16 UV stabilised and antimicrobial layers and fusion welded having thermal stability for hot & cold water supply including all PP-R plain and brass threaded poly propylene random fittings fixed complete to walls/ceiling or laid on floors including dismantlng of old unsv GI Pipe complete all as specified and directed of the following sizes pipe :-

20mm bore.

25mm bore.

32mm bore.

S&F of 3- layer PP-R (Poypropylene random copolymer) pipes SDR 7.4 PN 16 UV stabilised and antimicrobial layers and fusion welded having thermal stability for hot & cold water supply including all PP-R plain and brass threaded poly propylene random fittings complete laid in trench of following sizes complete all as specified and directed.

110 mm bore.

90 mm bore.

63 mm bore.

50 mm bore.

Taking up old CI/DI/GI water mains pipe line (including all fittings), with spigot and socket ends and lead joints including buring out joints and recovering lead complete all as specified and directed of the following sizes :-.

150mm dia.

100mm dia.

M&L for Supply,laying and jointing in trenches DI pipes with socketed ends with EPDA/SBA rubber gasket joints centrifugally cast, class K-7, in any length laid in trenches or on floor complete including dismantling and taking up old cracked CI pipes complete all as specified and directed for the following sizes:-

150mm dia.

100mm dia. Note for srl 8.01 &8.02 :-Necessary DI fittings as required and Excavation / earth work etc; shall be measured and paid seperately under the relevant item.

M & L for Ductile Iron bends, tapers, Tee pieces, cross, collers, caps and plugs any type, radius & angle for pipes upto 150mm bore all as per IS - 9523:2000 complete all as specified and directed.

M & L for push on flexible joint ( EPDA/SBR Rubber Gasket) suitable complete all as specified and directed. for following sizes DI Socket & Spigot pipe :-

150mm dia.

100mm dia.

M&L for repairing leakages of CI pipes with spigot and socket ends, de-watering of pipe lines and trenches, burning out joints to recover lead and making new joint with necessary new lead wool spun yarncomplete all as specified and directed including necessary excavation and earth work and testing all as directed for the following sizes pipe:-

150mm dia.

100mm dia.

80mm dia.

M&L for run lead joint for cast iron water mains / fittings and finishing complete all as specified and directed for following sizes pipe :-

150mm dia.

100mm dia.

80mm dia.

Labour only for cutting of CI pipe 150 mm dia carefully in position for repairs or inserting fittings such as bend, tee, socket pieces, collar etc complete all as specified and directed.

M&L for boring on existing GI/CI pipe 80 mm to 150 mm dia size for branch connections of 25mm to 50mm dia by fixing of MS clamp of suitable length and bent to shape, drilled and welded with GI socket of suitable size including rubber packing, nut, bolt etc complete all as specified and directed.

M&L for Supplying,fixing, jointing of cast iron sluice valve, ISI Marked, both ends flanged with pre drilled pressure rating PN-1.6, confirming to IS 14846 -2000, having stainless steel spindle with cast iron operation wheel at top with nut and bolts and rubber gasket for making joints complete all as specified and directed. of the following sizes:- .

150mm dia.

100mm dia.

80mm dia.

Supply and fix PP-R gate valves (brass insert) as per requirement of the site of 25mm dia as per IS:778 including taking out U/S gate valve complete all as specified and directed.

Supply and fix PP-R gate valves (brass insert) as per requirement of the site of 50mm dia as per IS:778 including taking out U/S gate valve complete all as specified and directed.

S&F in repair of Gun metal globe or gate valves with iron wheel head, screwed both ends for iron pipe complete including dismantling and removing old unserviceable valves any type complete all as specified and directed of the following sizes:-

50mm dia.

40mm dia.

25mm dia.

20mm dia.

M&L for construction of valve chamber in replacement 900 x 900 x900 mm internal dimensions, 6 mm thick MS sheet cover with 2 Nos MS hinges welded to angle iron frame of 40mm x 40mm x 6 mm thick with lifting hook and locking arrangement complete with necessary earth work, brick work in CM (1:6), 230 mm thick, PCC bed (1:4:8) type D2 150 mm thick, cement plastering, finishing 15 mm thick in CM (1:4) and applying a coat of black bituminous paint to the steel surfaces including dismantling and removal of old unserviceable valve pit remains complete all as specified and directed.

M&L for construction of valve chamber 1200 x 1200 x 1200 mm internal dimensions, 6 mm thick MS sheet cover with 2 Nos MS hinges welded to angle iron frame of 40mm x 40mm x 6 mm thick with lifting hook and locking arrangement complete with necessary earth work, brick work in CM (1:6), 230 mm thick, PCC bed (1:4:8) type D2 150 mm thick, cement plastering, finishing 15 mm thick in CM (1:4) and applying a coat of black bituminous paint to the steel surfaces complete all as specified and directed

S&F non return valve, cast iron, both ends flanged, 100 mm bore and all nuts, bolts, washers, gaskets etc; including dismantling of old unserviceable valve complete and removal from site complete all as specified and directed.

Earthing complete with GI earth plate electrode of size 60cm x 60 cm x 6mm buried directly in ground vertically at a depth not less than 2.25 mtr below normal ground level with top edge of earth plate at a depth not less than 1.5 mtr below normal ground level surrounded from all sides by 15 cm thick and packed layer of charcoal dust and common salt filing in alternate layers etc and connected with and including GI earth strip 32 x 6mm size by means of bolts, nuts, check nuts and washers made of galvanised iron and protected by light grade 40mm dia GI pipe and GI pipe and GI pipe light grade 20mm bore for watering and including funnel, wire mesh,RCC pit cover 50mm thick and PCC chamber pit with PCC 1:2:4 type C2 including excavation and earth work, connecting to earth dolly and testing after completion all as specified and shown on plate No 3 of SSR Part-I 2009.

M&L for preparation of old concrete surface by complete scrapping down and applying one coat of Exterior emulsion weather coat paint of suitable colour of all external surfaces of RCC overhead reservoir capacity 1,00,000 Gallons on 18 mtr staging at PH No. 7A ,8B & 10 complete all as specified and directed. Note :- All the safety tools, swings, scaffolding etc required for the work are to be arranged by the contractor at his own cost nothing extra shall be paid.

M&L for preparation of old concrete surface by complete scrapping down and applying one coat of Exterior emulsion weather coat paint of suitable colour of all external surfaces of RCC overhead reservoir capacity 25,000Gallons capacity on 12 metre staging at PH No 8B & PH No.10 complete all as specified and directed. Note :- All the safety tools, swings, scaffolding etc required for the work are to be arranged by the contractor at his own cost nothing extra shall be paid.

M&L for cleaning of CI/DI pipe line by cut opening in certain places with the help of pneumatic tools electric/ diesel operated machine to remove the blockage inside the pipe and reconnecting the pipe after cleaning complete all as specified and directed. Note :-(i) Fitting and jointing material such as lead/flanged joint is deem to be included in the quoted rate.

M&L for horizontal boring under roads suitable upto 150mm pipes by manual method complete all as specified and directed.

M&L for preparation of new Pressed Steel tank surfaces of length 4.88 mtr, width 3.66 Mtr and height 2.44 Mtrs both externally & Internally including staging on 12 mtrs height and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed.(PH No 7B & 9 ).

M&L for applying two coats of approved quality cement based paint inclding preparation of internal surfaces of the sedimentation tank, filter bed & filtered water tank etc for 20000 Glns capacity tank at PH No 7B complete all as specified and directed.

M&L for preparation of external surfaces of iron removal plants, pre filter chamber, oxidation chamber including pipes of filtration plant and applying two coats of synthetic enamel paint of approved colour over a coat of red oxide primer for 10000 GPH capacity plant at PH No 7B complete all as specified and directed.

M&L for Maching and cuting etc of stainless steel spindle with check nut (as per sample) suitable complete all as specified and directed for following sizes sluice valve:-.

200mm dia.

150 mm dia.

100 mm dia

80 mm dia.

M&L for Maching and cuting etc of stainless steel gun metal check nut (as per sample) with inner threads suitable complete all as specified and directed for following sizes of Sluice valve:-

200mm dia.

150 mm dia.

100 mm dia

80 mm dia.

M&L glazed coloured ceramic tiles 200mmx300mm x 6mm thick in floors/wall etc set and jointed in neat cement slurry and pointed in white or coloured cement to match complete all as specified and directed. (PH No 7B, 9 &10)

M&L PCC Cement concrete 1:3:6 using 40 mm graded stone aggregateType C-2 in surface channels and drains complete all as specified and directed.

M&L cement concrete 1:3:6 type C2 using 40 mm thick as in plinth protection of sedimentation tank etc complete all as specified and directed.

M&L for Painting to raising/delivery/wash out /over flow MS/GI pipe of RCC O/H reservoir as per colors code with one coat of synthetic enamel paint from ground level to bottom of the dome of the tank complete all as specified and directed for following sizes :-

200mm dia.

150 mm dia.

100 mm dia

80 mm dia.

Taking down broken/wornout chamber cover/OHT tank cover complete with frame from the existing location and removing to store for safe custody for reuse or for issue under sch of credit complete all as specified and directed.

M&L for valve chamber cover with frame, Stainless steel overhead tank cover with frame and Stair case for OHT and locking arrqngement made out of angle iron 40x5mm and MS sheet of existing size with welding of holdfast , hinges including fixing arrangement including two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed.

Supply only calcium based white/off white free flowing granular disinfectant chlorination chemical having 65% to 70% chlorine decomposing at 177 degree centigrade, molecular weight 142.98, toxicity-oral rate LD 50.850 mg/kg in 45 Kgs packing conforming to relevant IS complete all as specified and directed. (Haleshwar Ph No 7B) Make: As per E-in-C's approved. Note:- Contractor shall submit original invoice bearing GST No,manucturer’s test certificate and (independent test certificates from Govt Recognised Lab) for every consignment directly from company to the Engg-in-charge before calcium based white/off white free flowing granular disinfectant chlorination is accepted and incorporated in work.Engg-in-charge shall compare the results with the IS specification and then calcium based white/off white free flowing granular disinfectant chlorination shall be accepted if the results meet the technical characteristics specified. The testing charges shall however be borne by the contractor.

Supply only Poly Aluminium Chloride (PAC) inorganic soluble polymer raw water flocculants powder in 25 Kg bags conforming to IS 15573 (2005) having the following specifications: - (Haleshwar Ph No 7B) (a) Bulk Density/specific Gravity at 20 Degree Celcius: 0.75 + 0.10 (b) PH Value of aqueous solution (w/v): 3.5 – 5.0 (1%) (c) Chloride content (w/w): 31.0% + 2.0% (d) Sulphate content: 10 % (Max) (e) Basicity: 40.0 + 5.0 (f) Mercury & Lead: Not Desirable. Make: As per E-in-C's approved. Note:- Contractor shall submit original invoice bearing GST No,manucturer’s test certificate and (independent test certificates from Govt Recognised Lab) for every consignment directly from company to the Engg-in-charge before Poly Aluminium Chloride (PAC) is accepted and incorporated in work. Engg-in-charge shall compare the results with the IS specification and then Poly Aluminium Chloride (PAC) shall be accepted if the results meet the technical characteristics specified. The testing charges shall however be borne by the contractor

Supply only Alum ferric grade-I in 20 Kg pieces conformimg to IS-299(2012) complete all as specified and directed. (Haleshwar Ph No 7B) Make: As per E-in-C's approved. Note:- Contractor shall submit original invoice bearing GST No,manucturer’s test certificate and (independent test certificates from Govt Recognised Lab) for every consignment directly from company to the Engg-in-charge before Alum ferric grade-I is accepted and incorporated in work.Engg-in-charge shall compare the results with the IS specification and then Alum ferric grade-I shall be accepted if the results meet the technical characteristics specified. The testing charges shall however be borne by the contractor.

S&F in replacement aviation light fitting model No 11073120115 BGAV 302 LED type of make Bajaj with aviation lamp LED type yellow painted die-cast aluminium alloy housing with polycarbonate enclosure with complete accessories including taking down old unsv avition light all as specified and directed by Engr-in-Charge.

S& Replacement sheet metal enclosure powder coated, MCB, DB, SPN 4 way,240V, double door type flush mounted including taking down old unsv DB with MCB all as specified and directed by Engr-in-Charge. Make - Havell's/MDS/L&T

S& Replacement isolator/ MCB SPN 5 to 40 Amps,240V, 10KA rupturing capacity .

S & Replacement isolator/MCB, SP, 240V, 05 to 40 Amps.

M & L for sub main wiring with two single core FRLS, PVC insulated unsheathed , 1100 Volts grade, copper cable 2.5 sqmm stranded conductor and drawing through and including rigid PVC non metalic surface conduit with conduit accessories such as junction boxes, bends, tees etc. including continus earth wire FRLS, PVC insulated unsheathed 1100 volts grade, cable 2.5 sqmm copper conductor and connected to common earth dolly complete as directed including taking down old submain wiring and making good disturbed surface matching with the existing shade/tint.. Note :-(i) One run of PVC conduit, two runs of cable and one run of earth wire shall be measured and paid as one unit.

Supply, laying, jointing and testing LT cable in trench or pole/walls, XLPE insulated screened ,PVC bedded, galvanised steel strip or wire armoured ,electric power cable (heavy duty) 1100 volts grade with stranded aluminium conductor of size 6 sqmm, 2 core incl taking down old unsv XLPE cable. Note :- excavation and earth work will be measure and paid seperately under relevent schedule.

(A) Supply and installation with testing complete of Digital Water Level Indicator Device (150mm, Digit Display make "SECO" Type -DDS-6) Operating on Single phase supply, direct display in 150mm size digit system in meter/Centimeter of water level of Sumps/Over Head Tank ensuring alaram while water fall or rise at predetermined limit,1 Minute auto Off alarm. (B) The entire unit must operate through a compact electric circuit, which must ensure reliable operation at 230 volts +/- 5% with reliable in digit display % alarm at low & High level of SUMPS/Over Head Tank. (C) The circuit must be housedin M.S CRC sheet box with nylon moulded connection steps. The levelsystem must resistence transducer, which uneffected by corrosion and other contacts available in water. The product must be controlled by micro switch (Should not be sensor sysytem). (D) The whole unit must electronically controlled and the upper level and lower level indicator must be highly sensitive MICRO SWITCH. The complete unit must be in two parts. Each complete part must be fitted in MSCRC Sheet box separately one must be installed at Sumps/Over head tank and secind at Pump House wit Proper powder coating paints. (E) The required flexible copper cable of 0.5 Sqmm, 3 core size from SUMP/Over Head Tank to Pump House, approx meter to provide for connection the both unit.

D G Corporation

M/s Debendra Prasad Gupta

Shri Harendra Kumar Rai