ADDN/ALTN/IMPROVEMENT TO WATER SUPPLY SYSTEM AND RING MAIN SYSTEM AT AF STN BAGDOGRA UNDER GE (AF) BAGDOGRA.

Amount

Note 1:- (Applicable for all parts/items) : The biidders/contractors are advised to read tender documents & 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 in soft/loose soil n.exc 1.5 mtr wide n.exc 1.5 mtr deep getting out soil complete all as specified and directed.

Returning filling in including spreading leveling well ramming in layers n.exc 25 cm thick in a layers complete all as specified and directed.

Removing excvated material (Soil) n.exc 50 mtr and depositing where directed at a level n.exc 1.5 mtr above the starting point complete all as specified and directed.

Boring of road for laying of pipe not exceeding 90 cm below ground level all complete as specified and as directed.

Supply and laying centrifugualy cast spun ductile iron (DI) spigot & socket end pressure pipe 200 mm dia of K-9 in trenches complete all as specified and directed. Make:- TATA/Electrosteel/JINDAL or any equivalent make as approved by GE.

Supply and laying centrifugualy cast spun ductile iron (DI) spigot & socket end pressure pipe 150 mm dia of K-9 in trenches complete all as specified and directed. Make:- TATA/Electrosteel/JINDAL or any equivalent make as approved by GE.

Supply and laying centrifugualy cast spun ductile iron (DI) spigot & socket end pressure pipe 100 mm dia of K-9 in trenches complete all as specified and directed. Make:- TATA/Electrosteel/JINDAL or any equivalent make as approved by GE.

Supply and laying the GI water tubing medium grade with all fittings in trenches all as directed 40 mm dia. Make:- TATA /Jindal/Bansal or equivalent as approved by GE.

All as per item No-8.00 above but for 25 mm dia or any equivalent make as approved by GE.

All as per item No-8.00 above but for 20 mm dia or any equivalent make as approved by GE.

Supply and laying/ fixing polyprolene random pipe (PP-R) PN 16 in three layer for 90mm bore including fixing of all fittings made out of PP –R as required for fixing all fittings in trenches complete all as specified and directed. Make:- SFMC/PRINCE/RELIANCE/SAVOIR-FAIR/KPT or any equivalent make as approved by GE.

All as per item No-11.00 above but for 63 mm dia complete all as specified and directed.

All as per item No-11.00 above but for 50 mm dia complete all as specified and directed.

S&F in repair Gun metal gate valve (screwed) with iron wheel head, screwed both ends for iron / PPR pipe of size 50 mm dia complete all as specified and directed. Make:- Zoloto/Leader/Scud/Kirloskar or any equivalent make as approved by GE.

All as per item No-14.00 above but for 40 mm dia complete all as specified and directed.

All as per item No-14.00 above but for 25 mm dia complete all as specified and directed.

All as per item No-14.00 above but for 20 mm dia complete all as specified and directed.

M&L for Construction of valve pit of size 120x120x120 cm (Internal dimension) incl necessary earth work and MS sheet 2 mm thick cover with angleiron frame 40 x 40x 6mm including dismantling of valve pit with cover complete all as specified and directed.

All as per item No 18.00 above but for size 90x90x90 cm complete all as specified and directed.

M&L for tyton ring rubber joint of best quality ISI marked suitable for ductile iron pipe all as specifeid and as described for 200 mm dia pipes complete all as specified and directed.

M&L for tyton ring rubber joint of best quality ISI marked suitable for ductile iron pipe all as specifeid and as described for 150 mm dia pipes complete all as specified and directed.

M&L for tyton ring rubber joint of best quality ISI marked suitable for ductile iron pipe all as specifeid and as described for 100 mm dia pipes complete all as specified and directed.

Supply and fixing cast iron sluice valve for 200mm bore pipe conformig to IS - 14846 clockwise dosing with flanged ends and iron wheel including necessary joints by means of bolts, nuts washers and rubber gaskets complete all as specified and directed. Make:- KIRLOSKAR/BIR/VENUS/RMCO or any equivalent make as approved by GE.

All as per item No 23.00 above but for 150mm dia complete all as specified and directed.

All as per item No 23.00 above but for 100mm dia complete all as specified and directed.

All as per item No 23.00 above but for 80mm dia complete all as specified and directed.

S&F air release valve double action chamber to conforming IS-14845 of size 200mm bore complete all as specified and directed.

S&F air release valve double action chamber to conforming IS-14845 of size 150mm bore complete all as specified and directed.

S&F air release valve double action chamber to conforming IS-14845 of size 100mm bore complete all as specified and directed.

S&F cast iron non return valve conformig to IS - 5312, PN-1.6 including necessary joints by means of bolts, nuts washers and rubber gaskets complete all as specified for 200 mm bore of pipe complete all as specified and directed. Make:- KIRLOSKAR /RMCO/BIR or any equivalent make as approved by GE.

Supply installation commissioning and testing of iron removal filter plant of capacity 10000 GPH complete, suitable of raw water having iron content 10 mg per litre to bring it to less than 0.3 ppm,acceptable standard of potable water and testing chemical analysis of treated water from National Test House,Kolkata including painting works,PCC foundation,misc fittings/valves etc as insturcted by manufacture complete all as specified and directed. Make:- RAVI ENTERPRISES/RMCO/ZEOLITE/ AQUA/ ION EXCHANGE/ PETERSON or any equivalent make as approved by GE. Note:- The plant shall comprise of the following assesories (a) Air compressor of capacity 9 cfm having motor of capacity 3 Hp (b) Pressure gauge & sampling cock 2 Set (for raw water and treated water). (c) 100 mm slim seal butter fly valve flange less finish in frontal pipe line.

Cutting of existing pipeline and reducing to required length in position for insertion of New PPR Tee size 160x160x110mm branches to 160mm dia bore complete all as specified and directed.

S&F 160MM bore PPR Flange with Flange core including necessary joints by means of bolts ,nuts,washers and rubber gaskets complete all as specified and directed.

All as per item no. 33.00 but of 110mm bore complete all as specified and directed.

S&F CI Venturi for 100 mm dia in required length including welding flange to connect Filter Plant complete all as specified and directed.

S&F 100 mm dia MS Pipe Medium grade with all fittings for IRP inlet/outlet connection complete all as specified and directed.

Aggregate for loose filling of gauge 40mm to 80mm graded aggregate complete all as specified and directed.

Cement concrete in foundation ,filling and mass concrete PCC (1:3:6) type C2 of suitable size using 40 mm graded aggregate complete all as specified and directed.

S&F Decrine dosing pump self priming type high pressure single head gear motor adjustable dosing pump high pressure 0 to 100 PSI ,Power 230 volts, 50 Hz, 44 RPM, 1/30HP fractional output of RC 11 alongwith all accessories complete all as specified and directed.

Supply and install chlorine dosing system with 170 ltr FRP solution preparation tank with lid ,pothole,inlet/outlet drain connection level gauge etc and fitted speed reducing motor SS-316 agitator combined with dosing tank with lid ,pothole,inlet/outlet drain connection level gauge including shaft & impeller with Fire Resistant Protection (FRP) coating complete all as specified and directed.

S&F PVC NRV injector check valve complete all as specified and directed.

S&F Foot valve assembly for chlorine dosing pump complete all as specified and directed.

S&F Suction/discharge tubing (3/8'') white suitable for existing granular chloirine dosing system complete all as specified and directed. Make:- RMCO, Aquafit, Austin or any equivalent make as approved by GE.

Cutting and removal of old iron tank, cleaning and levelling the surface. Iron scrap obtained to be deposited to MES store complete all as specified and directed.

SHRI SANJAY KUMAR GUPTA

M/S B D ENTERPRISE