SPECIAL REPAIR FOR REPLACEMENT OF E/M INSTALLATIONS AND ALLIED WORKS AT JAFFAPORE, BARASAT, LOS DUM DUM AND BARRACKPORE AF CAMP UNDER GE (AF) BARRACKPORE

Amount

Preparation of site and demolition of old unserviciable flooring around the bore well at Barasat pump house after removing unwanted growth of bushes by using suitable grass cutting tools from the root and levelling with fresh soil upto the foundation level of existing building and well ramming and consolidating it for setting and preparing the surface for making hard standing by pitching broken bricks locally available complete all as specified and directed. Note:- (i) Quoted rate shall be included for fresh soil brought by the contractor for filling up the site upto foundation level of existing bldg. (ii) Quoted rate shall be included for vehicle, loading / unloading etc for filling up the site. (iii) Quoted rate shall be included for adequate tools provided by the contractor for preparation/cleaning of site. (iv) PCC flooring shall be measured and paid separately under respective items.

Demolition of old unserviciable hard standing, sub-base, sub-floor etc of any size and type in and around the MES installations at 6 WG AF, Jafferpore, Kancharapara, Barasat and LOS Dum Dum and removing the debris from site with ECO friendly manner including transportation of all kind and cleaning of site by removing unwanted growth of vegetation at where ever directed complete all as specified and directed.

Material and labour for 100mm thick PCC (1:3:6) type C1 (using 20mm graded stone aggregate) as in sub-base, sub-floors and pavings and finished the surface even and smooth without using extra cement complete all as specified and as directed.

Taking out old unserviciable BER altoch dozing system of any size and type and transporting to MES store yard complete all as specified and directed.

Supply, installation, testing and commisioning of Altoch dosing sytem Model ADS- PRO, item NR 153120P with packing unit, all kind of CVPC heavy grade pipe fittings, valves, FRP container, making ferrules in pumping line and connecting / jointing pipeline as incoming and outgoing of chlorine doser, pressure checking and leakage testing complete with following maint accessories:- (a) Stequa 411 AE refill (S411 AE) - 02 x set of 25 Pcs (Total 50 Nos refills) (b) Stequa Purity verifier 41021 - 01 Set (c) 100 tablet Phenol Red RAPID for Stequa Purity Verifier 41021 (PVPH 41021) - 01 Set (d) 100 tablets DPD No 1 RAPID for Stequa Purity Verifier 41021 (PVFC 41021) - 01 Set (e) Stequa 412 HD Disposable Floating Sanitizer Station - complete set (100 Nos).

Taking out old unserviciable BER monoblock V-Belt pumpset at Barasat area Warrior camp pump house and Booster pump set of 0.5HP at LOS Dum Dum and transporting to MES store yard complete all as specified and directed.

Supply, installation, testing and commissioning of 0.5 HP booster pump monolblock type self priming 1Ph, 230V, capacitor 12.5mF run, head 6m to 34m, discharge range 2700 LPH to 490 LPH including fixing on wall / floor and mounting accesories, connecting up with suitable dia pipes of any size and type, testing and commissioning complete all as specified and directed.

Supply, installation, submersible pump set 3 HP multi stage, 3 Ph, 415V, 50Hz, head range 103m to 40m , discharge 50LPM to 160LPM pipe size 50mm dia complete all as specified and directed. Note:- (i) In case submersible pump is getting struck in existing size bore well, contractor has to devolop the bore well to a diameter of 100mm or to the size upto smooth lowering of pumpsets from ground level upto 110 mtr by using suitable vertical compressor boring machine at his own cost. (ii) PVC casing pipe 113 mm dia will be inserted in the devoloped bore well by the contractor at his own cost. (iii) Top covers, C-Clamps, Bend, GI Bend, brass union and necessary hanging accessories of submersible pump and column pipes above GL at discharge side shall be provided by the contractor at his own cost. (iv) Bore well is located at an average distance of 300mtr away from the approching road. Necessary arrangements for entire work shall be made by the contractor at site for smooth working environment without any extra cost. (v) Washing and flushing out of borewell after devolopment is also deemed to be included in quoted rate.

Taking out old unserviciable column pipe and rope upto 100RM depth of any size and type from the bore well of Barasat Pump House by using chain pulley complete all as specified and directed. Note:- Quoted rate shall be included for necessary arrangements of chain pulley trained labours, safety equipment and transportations etc.

Supply and lowering including jointing of column pipe of dia 50mm CPVC, heavy duty thread type each 3mtr long complete all as specified and directed. Note:- (i) In case the column pipe is getting struck in existing size bore well, contractor has to devolop the bore well to the dia of 100mm or upto the size as mentioned in note at Ser Item No 9 here-in-before from ground level upto 110 mtr depth by using suitable vertical compressor boring machine at his own cost. (ii) PVC casing pipe 113 mm dia will be inserted in the devoloped bore well by the contractor at his own cost.

Supply and fix submersible cable flat 3 core 2.5 Sqmm copper conductor PVC insulated and PVC sheathed industrial grade suitable for pump motors including connetction, termination and insulationincluding taking down old unserviciable cable complete all as specifie and directed.

Supply and fix flat 3 core 4 Sqmm copper conductor PVC insulated and PVC sheathed industrial grade suitable for pump motor / pumpset / starter connection including connetction, termination and insulation including taking down old unserviciable cable complete all as specifie and directed.

Material and labour for ungalvanised IWRC steel wire rope multi stranded and spirally twisted of size 10 to 15mm dia having strength to with stand the weight upto 500 Kg vertically and tie up the motor pump sets and to pull out and lowering if required etc complete all as specifie and directed.

Taking out old unserviciable starter of any size and type installed at LOS Dum Dum and Barasat camp complete all as specified and directed.

Supply and fix DOL starter 1HP, 0.6KW, contactor rating 12A, overload relay range 1.6A to 2.5A, single Phase, 230V, suitable for booster pump including connecting cables, testing etc complete all as specifie and directed. Note: Starter capacity shall be as per the OEM recommendation only if the recommended capacity of the starter is not suitable for the pump designed.

All as per Ser Item No 15.00 here in before but 5HP, 3.7KW, contactor rating 12A, overload relay range 7A to 10A, 3 phase, 415V, -ditto-.

Supply and lay GI pipe 40mm dia (medium grade) in open/wall/floors including accessories and complete fittings including taking down old unserviciable GI pipe complete all as specified and directed.

Supply and lay GI pipe 80mm dia (medium grade) with fittings including all accessories vertically fixing in UG sump including taking down old unserviciable GI pipe complete all as specified and directed.

Supply and Lay GI pipe 25mm dia (medium grade) with all fitting laid in trenches including taking down old unserviciable GI pipe complete all as specified and directed.

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5mtr in depth and getting out in soft/loose soil in foundation, in trenches for laying of under ground cable complete all as specified and as directed.

Removing excavated materials (soils) not exc. 50.00 mtr and depositing where directed at a level not exc. 1.50 mtr above from starting point complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc. 250mm in soft/loose soil complete all as specified and directed.

Material and labour for sand cushioning with clean and dry river sand for protection of PVC cable with approved sand of uniform thickness. laid dry, filling in trenches and punning down in proper required layers complete all as specified and as directed. Note:- Punned down thickness shall be measured for payment.

Materials and labour for brick protection cover to underground cables with sub class ‘B’ of size 23 X 11.5 X 7.5 cm, (locally available best quality), laid dry and flat abutting each other with gaps not exceeding 10mm complete all as specified and as directed.

Supply, laying, connecting and testing XLPE insulated, PVC sheathed, armoured LT electric power UG cable (heavy duty with stranded aluminum conductor) of size 50 Sqmm, 3.5 core, 1100 Volts (earthed) grade, confirming to IS-7098 (Part-I) laid through duct/ pipe / in trench etc. with cable glands & suitable size of aluminium lugs including taking down old unserviciable existing cable complete all as specified and as directed. Note : Earth work, brick protection and sand cushioning and GI Pipe Shall be measured and paid separately under respective item.

Material and labour for earthing complete with GI earth plate electrode of size 600 x 600 x 6 mm thick buried directly in ground with earth pit not less than 2.25 meter deep below ground level with top edge of plate not less than 1.5 meter below normal ground level connected to GI earth strip of size 32 x 6 mm earth lead by means of nuts, bolts, check nuts, washers of galvanised iron as steel, protected by galvanized iron pipe 40mm bore (medium grade) all as directed including cement concrete (1:3:6) type C-1 earth pit with precast RCC (1:1.5:3) type A-1 cover slab of size 42 x 42 x10cm thick reinforced with 8mm dia TMT bars @ 15 cm c/c both ways with 10mm dia mild steel round bar of 30 cm long, bent to shape as lifting handle, funnel, wire mesh, 20 mm bore galvanized iron pipe (medium grade) for watering, charcoal or coke and salt in alternate layers with necessary earth work in soft/loose soil complete all as shown in electrical plate No 3 of SSR Part-I including testing on completion including taking down old existing unserviciable earthing complete all as specified and directed. Note:- GI strip upto 7.5m length including testing shall be included in quoted rates.

Supply and fix Galvanised Iron strip 32 x 6 mm with saddles and fixing screws on poreceling insulator/ spacer fixed at every 1 mtr length as lightening conductor on roof/wall of building and joining the same with existing earth test point complete all as specified and as directed.

Supply and fix in repair 35 Watt LED street light fitting made with pressure die cast housing with toughened glass with high powered LED, IP-66, 230 Volt complete all as specified and directed. Make:- Crompton Cat No TRP-400-35-57-SL-LM-NSR or equivalent model of Philips / Bajaj / Havells / MAGIK.

Supply and fix in repair 70 Watt LED street light fitting made with pressure die cast housing with toughened glass with high powered LED, IP-66, 230 Volt complete all as specified and directed. Make:- Crompton Cat No TRP-409-70-57-SL-GL-NSG or equivalent model of Philips / Bajaj / Havells / MAGIK.

Taking out old of burnt out sewage pump sets of 5 to 10HP capacity after disconnecting all the cables from starter and panels and transporting to workshop, repair / overhauling of pump sets including rewinding of stator winding of motors, cleaning / overhauling and repairing of rotor / armaturer and installation its existing position complete all as specified and directed. Note:- (i) Materials and spares shall be measured and paid separately under respective items. (ii) Contractor has to provide vehicle and adequate man power for transportation, loading and unloading etc at his own cost. (iii) Testing of pump sets shall be done at site after repairing of pump sets till the satisfaction of Engineer-in-Charge.

Supply only copper winding wire (electrolytic refined copper ) super enamelled with H type insulated / warnished of suitable guage as per existing size complete all as specified and as directed.

Supply only bearing of motor including casing and befitting etc of existing size and type complete all as specified and as directed.

Supply only end bell housing assembly factory standard of existing size and type complete all as specified and as directed.

Supply only wiring cover plate and connector plate with all necessary accessories complete all as specified and as directed.

Supply only CI impeller rotating type with diffuser of existing size and type complete all as specified and as directed.

Supply only pump shaft of stainless steel of existing size and type complete all as specified and as directed.

Supply only shaft seal with packing rings complete all as specified and as directed.

Supply only CI coupling with key and connected accessories complete all as specified and as directed.

Supply only wear ring made up of steel of existing size and type complete all as specified and as directed.

Supply and fix in repair fan blade of motor made up of nylon heavy duty including fixing accessories complete all as specified and as directed.

Supply and fix in repair stop valve 40mm size cast copper alloy, screwed down, high pressure with crutch or butterfly handle screwed both ends for fixing in iron pipes including union one number complete all as specifie and directed.

Supply and fix in repair 25mm dia stop valve cast copper alloy, screwed down, high pressure with crutch or butterfly handle screwed both ends for fixing in iron pipes including union one number complete all as specified and directed.

Supply and fix in repair cast iron foot valve confirming IS 4028 of size 80mm heavy grade including all connected packing sheets and fixing accessories and leakage testing complete all as specified and directed.

Material and labour for cleaning and pumping out of UG sump of capacity 50000 Gallon and removal of sludge / effluents with the help of scavengers/compressors after removing the top cover plate of UG sump, including depositing the sludge 200 mtr away from the site and disposing off the same before completion of the work from the site by using suitable vehicle in ECO friendly manner complete all as specified and directed. Note:- (i) Manual cleaning is not permitted as there is toxic air presence in the sewage sump. (ii) Contractor has to arrange compressors, scavengers and disposing vehicles at his own cost. (iii) All the adequate safety instruments and equipments shall be provided by the contractor at his own cost.

Material and labour for construction of brick masonry valve pit of size 1000x1000x1000mm (internal dimension) with one brick thick in cement mortar (1:4), 100mm thick PCC (1:4:8) type D-2 (using 40mm graded stone aggregate) as in foundation concrete includig PCC (1:3:6) type C1 (using 20mm graded stone aggregate) as in bedding and coping, 10mm thick cement plaster in cement mortar (1:4) internally and externally upto 15 cm below ground level, providing valve pit 50x50x6mm angle iron frame all round the fixed point by means of 4 Nos hold fast 150mm long made out of flat iron 40 x 6 mm embedded in PCC block (1:2:4) type B-1 (using 20mm graded stone aggregate) of size 230 x200 x100mm. including provision of hinges welded with angle iron frame and mild steel cover 3 mm thick, mild steel handle of suitable and size welded with mild steel cover & suitable locking arrangement & applying two coats of synthetic enamel paint over a coat of red-oxide primer including dismantling of unserviciable existing valve pit complete all as specified and directed.

Supply, installation, testing and commisioning of CPRI approved LT panel board, cubical type, double door, outdoor type of size 1.2m high x 1.5m width x 0.6m depth factory made by using 3.15mm thick CRCA sheet and 7 tank dipped, corrossion treated and epoxy powder coated weather proof painted with approved colour, having lock and key arrangements, hinges, 300Amps rated copper bus bar for 3 x phase and 1 x neutral and all prewired connections by using suitable size of copper wire, mounting channel by using MS angle iron of size 50x50x6mm including PCC foundation and coping for a height of 0.6m above GL and including the following accessories:- (a) MCCB 3 pole 160 Amps 25 kA - 01 Nos. (b) MCCB 3 pole 63 Amps 25 kA - 02 Nos. (c) MCB SPN 32 Amps 10 KA -03 Nos. (d) Automatic star delta starter 12.5HP capacity with all meters, single phase preventor, RYB inducators, overload realyas and contactors of suitable capacity. (e) Time Switch (Astro Mini)- 01 Nos. (f) Contactors 40 Amps 4 Pole - 01Nos. (g) 4 way cable connector - 01 Nos. Including down old unserviciable panel board complete all as specified and directed.

SUDHA ENTERPRISES

MODERN CONSTRUCTION

BISWAS CONSTRUCTION

ONIEL SALES

P.J. AND CO.

M/S. TAPAS ENTERPRISE