REPAIR / MAINT OF EXTERNAL WATER SUPPLY INSTALLATIONS AND OTHER RELATED WORKS, CLEANING OF UG SUMP, OH TANKS, SUPPLY OF CHEMICALS AND TESTING FOR PORTABLE WATER AND CLEANING OF SEWAGE LINE AND MANHOLES AND CERTAIN REPAIR OF MANHOLES ETC AT NABAGRAM

Amount

M & L for repairing of sluice valve 150/100 mm dia incl replacement of GI Spindle, CI Gate Mechanical sealing complete all as specified and directed.

S&F 10mm dia Mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other or screwed on both ends each scewed end to be fitted with washer and one hexagonal or square nut, dia of bole 5 mm to 10 mm, length of bolt exc 5 cms but not exc 10 cms, etc complete all as specified and directed. Make:- L&T/ Any other reputed make conforming to IS, as approved by the GE. HMT /

Supply & fix of rubber packing sheet 6 mm Thick all as specified and directed. Note:- The shall be ascertained at site for each lot duly certified and recorded in MB under "Not to be abstracted" before releasing the RAR.

Taking down old unserviceable hand wheel of sluice valve 80/100mm and all as specified and directed.

S&F hand wheel for sluice valve 80/100/150 mm complete all as specified and directed. Make for item Nos. 1, 3,4 & 5:- Existing make.

M&L for cleaning of RCC under ground sump of capacity 100 CUM by removing sludge, mud or any other foreign material from the bottom and internal surface of the tank by wire brushing, cleaning with fresh water bailing out complete water with pump sets, washing internal surface with sufficient quantity of water and bleaching powder (0.10 Kg of bleaching powder will be mixed in 1 ltr of water) finally applying two coats of lime washing on entire internal surface, writing the date of cleaning and capacity of the tank with white synthetic enamel paint on black background with synthetic enamel paint complete all as specified and directed.

M&L for cleaning of over head water tank of capacity 50000 Ltr at 12 mtr height by removing sludge, mud or any other foreign material from the bottom and internal surface of the tank by wire brushing, cleaning with fresh water bailing out complete water with pump sets, washing internal surface with sufficient quantity of water and bleaching powder (0.10 Kg of bleaching powder will be mixed in 1 ltr of water) finally applying two coats of lime washing on entire internal surface, writing the date of cleaning and capacity of the tank with white synthetic enamel paint on black background with synthetic enamel paint complete all as specified and directed. Note for Item No 6 & 7:- SHO certificate is mandatory after cleaning of tank from hygenic point of view.

M&L for one coats of synthetic enamel paint, first quality, after preparation of surface of external side of pressure filter capacity 10000 GPH & all as specified and directed. .

M & L for Writing letters not exceeding 30 cm height on pumps body/ water pipe line etc complete all as specified and as directed.

M & L for Writing Arrow marking upto 40 cm long of suitable width on pumps body/ water pipe line/ surfaces of tanks etc complete all as specified and as directed. Make for item Nos. 8 to 10:- :- JJotun India Pvt Ltd./ Apcolite (Asian) / Luxol (Berger) / Jenson & Nicholson Paints Ltd. (Borolac) / Shalimar Paints Ltd. Make for item Nos. 8 to 10:- Jotun India Pvt Ltd./ Apcolite (Asian) / Luxol (Berger) / Jenson & Nicholson Paints Ltd. (Borolac) / Shalimar Paints Ltd

Supply only Calcium Hypochlorite having 65 % - 70 % available chlorine packed in 45 Kgs plastic drums for water treatment chemical each all as specified and directed by Engr in charge.Make :- Rayalseema/Potter and Watts/ Brio Zing. NOTE :- Approval of chemical (calcium hypochlorite) shall be given after verifaction of test certificates of chemical of various manufactures and other factures like chemical and safety and health hazard aspects of usage of chlorination ii) the branch / make of the chlorination of chemical must be stated in production and certified by govt laboratory confirming compliance of specification suitable for drinking water with a declartion from the laboratory that from the technical strengh stability health safety and operation point of view this product is used for drinking water applications for consumption by humans and the brand/make of calcium hypochlorite is suitable for drinking water chlorination and its sample has been tested by Govt Laboratory having NABL Accreditation, etc complete, all as specified and directed. Note:- (i) IV & RV shall be maintained for every consignment of the material supplied,and the same shall be entered in MB as not to Abstract, before making payment.

Supply only bleaching powder of grade confirming to IS-1065-1989 (2nd Revision) minimum markable chlorine 33.5% by mass packed in HDPE bag of 25 Kg capacity ISI marked complete all as specified. Make: E-in-C's approved make/Equivalent Eastern Command approved make. (i) Note:- (i) IV & RV shall be maintained for every consignment of the material supplied,and the same shall be entered in MB as not to Abstract, before making payment. (ii) The contractor shall produce manufacturers "Certificate of Compliance" indicating date of manufacturer in original alongwith every consignment of supply. (iii) Test certificate from Govt approved Test Laboratory, having NABL accreditation, shall accompany with every consignment of supply to ensure that the materials supplied are in with conformity with relevant IS.

Repairing/serviceing of chemical dosing pump and compressor , complete removing of us parts, motors, impellor, oil, rings , and supply and fixing as required and testing complete all as directed as specified. Note :Spare parts and other related item are included in quoted rate. Make :- Existing Make Note:- The servicing shall be carried out by Rep of OEM and certificate shall be enclosed for payment.

Taking of water sample from the borewell and send to the laboratory, having NABL accreditation, for testing of water and submit the report complete all as specified as directed,Note: during contract per month water testing has been carried out min 6 times .

Supply only Alum of 50 Kg packet to purify the raw water at the pump house complete all as specified and directed. Note:- (i) IV & RV shall be maintained for every consignment of the material supplied,and the same shall be entered in MB as not to Abstract, before making payment.

M & L Construction of brick massonry valve pit chamber of inner dimension 100x100x100 cms suitable for sluice valves upto 100mm size, with PCC (1:4:8) type D-2 for foundation, brick work in cm (1:6) rendering (1:4), 15mm plastering, coping in PCC (1:2:4) type B-1, incl necessary earth work, including MS sheet cover of thickness 2 mm on 50x50x6.0 mm angle iron framework including two coats of synthetic enamelled paint over a coat of red oxide primer with making provision of locking arrangement including demolished old valve pit and including earth work, excavation removing the debris from the site or all as specified and directed.

M & L Construction of brick massonry valve pit chamber of inner dimension 50x50x50 cms suitable for sluice valves upto 100mm size, with PCC (1:4:8) type D-2 for foundation, brick work in cm (1:6) rendering (1:4), 15mm plastering, coping in PCC (1:2:4) type B-1, incl necessary earth work, including MS sheet cover of thickness 02 mm on 50x50x6.0 mm angle iron framework including two coats of synthetic enamelled paint over a coat of red oxide primer with making provision of locking arrangement including demolished old valve pit including excavation removing etc complete from the site or all as specified and directed.

Excavation in trenches,n exc 1.5 m wide and n exc 1.5 m in depth; for foundation laying of cables ,etc or for shafts,wells,cesspits,manholes,pier holes,etc. n exc 10 sqm on plan and n exc 1.5 m in depth and getting out in soft/lose soil complete all as specified and directed

Returning, filling in including spreading,levelling, watering and well ramming in layers not exceeding 25 cm thick in soft/loose soil under floor complete all as specified and directed.

Removing excavated materials not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and directed..

Material and labour boring of horizontal holes /trenchless hole for 50 mm bore pipe under the road below 1.50 mtr from the road/hard surface by trencheless technology using ultrasonic technique and including necessary machine without damaging the existing road and getting out in any type of soil and disposal of soil to a distance not exceeding 50 m from the site of work all as directed. Note: Pipe Shall be measured and paid seperately.

Taking out the defective column pipe GI / MS from borewell after disconnecting the all fitted items and after replacement of worn out pipe with new of 80mm bore including nut, bolt and washer as directed by Engineer in charge. Make:- Jindal / Tata / any other reputed make as approned by the GE

Taking up old detoriorated/leakage GI pipes & connected defective GM gate valves/ stop valves etc. of any size from trenches/ floors of size 80 mm dia and kept at site for reuse or fev credit complete all as specified and directed.

Taking up old detoriorated / leakage GI pipes & connected defective GM gate valves/ stop valves etc. of any size from trenches/ floors of size 50 mm dia and kept at site for reuse or fev credit complete all as specified and directed.

Taking up old detoriorated / leakage GI pipes & connected defective GM gate valves/ stop valves etc. of any size from trenches/ floors of size 40 mm dia and kept at site for reuse or fev credit complete all as specified and directed.

Taking up old detoriorated / leakage GI pipes & connected defective GM gate valves/ stop valves etc. of any size from trenches/ floors of size 25 mm dia and kept at site for reuse or fev credit complete all as specified and directed.

Supply and laying galvanised iron pipe of size 80 mm bore of medium grade with all tube fittings ( such as bends, elbows, tees, short pieces of medium grade , connectors, back-nuts, caps, plugs and unions etc.) laying in trenches/ floors/ ducts and also cutting pipes, screwing, and for making forged bends on piping as required including testing etc complete, all as specified and directed.

Supply and laying galvanised iron pipe of size 50 mm bore of medium grade with all tube fittings ( such as bends, elbows, tees, short pieces of medium grade , connectors, back-nuts, caps, plugs and unions etc.) laying in trenches/ floors/ ducts and also cutting pipes, screwing, and for making forged bends on piping as required including testing etc complete, all as specified and directed.

Supply and laying galvanised iron pipe of size 40 mm bore of medium grade with all tube fittings ( such as bends, elbows, tees, short pieces of medium grade , connectors, back-nuts, caps, plugs and unions etc.) laying in trenches/ floors/ ducts and also cutting pipes, screwing, and for making forged bends on piping as required including testing etc complete, complete all as specified and directed.

Supply and laying galvanised iron pipe of size 25 mm bore of medium grade with all tube fittings ( such as bends, elbows, tees, short pieces of medium grade , connectors, back-nuts, caps, plugs and unions etc.) laying in trenches/ floors/ ducts and also cutting pipes, screwing, and for making forged bends on piping as required including testing etc complete,all as specified and directed.

Supply and fixing the Gate valve 50mm bore dia. Gun-metal, gate valves, with iron wheel head, screwed both ends on G.I pipes with GI union, including removing old unserviceable ones all as specified and directed. Make for item Nos. 27 to 31:- Prakash / Utkarsh Tubes Ltd / Jindal / Zenith / Bansal /Nezone/ M/S BST Infratech Ltd

Supply and fixing the Gate valve 40mm bore dia. Gun-metal, gate valves, with iron wheel head, screwed both ends on G.I pipes with GI union, including removing old unserviceable ones all as specified and directed.

Supply and fixing the Gate valve 25mm bore dia. Gun-metal, gate valves, with iron wheel head, screwed both ends on G.I pipes with GI union, including removing old unserviceable ones all as specified and directed. Make for item Nos. 32 & 33:- Kirloskar / Zoloto / Upadhaya / Leader

Supply and fixing ERW MS column pipes 80 mm dia both end flanged, heavy duty 3 Mtr long, 5.8mm thick conforming to IS-4270-1992 including taking out of existing old rusted and threaded out column pipes from bore well including testing complete all as specified and directed. Make:- Tata / Jindal / M/S BST Infratech Ltd

M & L for cutting, screwing existing steel tubing of size 80 or 100 mm bore diameter for aleration or addiation (or lengthening screw on pipe to from connector) and relaying/ refixing to its new/old position, including fitting as required,etc complete all as specified and directed by the Engr-In-Charge.

M & L for cutting, screwing existing steel tubing of size 40 or 50 mm bore diameter for aleration or addiation (or lengthening screw on pipe to from connector) and relaying/ refixing to its new/old position, including fitting as required,etc complete all as specified and directed by the Engr-In-Charge.

M & L for one coat of painting to expose D I pipes externally (i.e. Inlet & outlet Pipes of water Tanks,) at pump houses duly preparation the surfaces by using Black bituminous paint, first quality, complete all as specified and as directed. Make:- Asian / Berger / Jenson & Nicholson / Shalimar.

S & F MCCB 160 Amps, 4pole, 415volt, 36 KA breaking capacity including taking down the existing unserviciable MCCB with all the necessary electrical connections, all as specified and as directed. Make:- Asian (Brand :-OPTI POWER) / ) Havells India Ltd/ Gold Medal Electricals Pvt Ltd.

Supply & laying in repair in trenches of XLPE UG cable insulated aluminium stranded conductor served with an inner sheathing or PVC tape armoured GI steeel strip and overall PVC sheathed nominal cross sectional area 25 sqmm 4 core and testing complete all as specified and directed. Make:- Polycab / Havells India Ltd./ Gloster Cables Ltd. /KEI Industries Ltd / ASIAN Cable / ) Finolex / RR Kabel Ltd / Gold Medal electricals PVT Ltd..

Supply and replacing of PVC insulated and PVC sheathed submersible cable of 6 Sqmm 3 core multi stranded copper conductor. (Make-Finolex/Havells/Anchor. Make:- Polycab / Havells India Ltd./ Gloster Cables Ltd. /KEI Industries Ltd / ASIAN Cable / ) Finolex / RR Kabel Ltd / Gold Medal electricals PVT Ltd..

M & L strip opening of submersible motor of capacity 10 HP and taking out burnt out windings . Cleaning of motor rotor and stator with cleaning material. Carrying out necessary machining work such as grinding, metling and polishing . Rewinding of motor with stove enamelled copper wire of existing gauge . Repalcement of unserviceable parts as required. Assembling of motor and testing complete to the satisfaction of Engineer-in -Charge. Note:- (i) The spares if any mentioned herein after shall be measured as supply only. (ii) The unit rate quoted shall be deemed to include for labour element involved for replacement of spares. (iii) The spares shall be recorded in MB, NOT TO BE ABSTRACTED Make for winding wire:- ICC / Devidayal / Finolex / HPL. Make of Motor:- Kirloskar

Making all arrangement for dismantling of submersible pump set of 7.5 HP capacity after disconnecting the complete electrical connection and dismantling complete pipes and taking out for workshop for repair/rewinding with suitable size of copper wire complete all as specified and directed. Note:- (i) The spares if any mentioned herein after shall be measured as supply only. (ii) The unit rate quoted shall be deemed to include for labour element involved for replacement of spares. (iii) The spares shall be recorded in MB, NOT TO BE ABSTRACTED. (iv) Gate Pass shall be submitted for in & out of Pump, while claiming Payment. Make for winding wire:- ICC / Devidayal / Finolex / HPL. Make of Pump:- Existing Make

Supply only motor ball bearing for 7.5 HP motor matching to the existing one complete all as specified and directed. Make:- TATA / SKF / NBC

Supply only pump impellor for 7.5 HP motor completeall as specified and directed.

Supply only pump ball bearing for 7.5 HP pump matching to the existing one complete all as specified and directed.

Supply and fix in replacement DOL starter suitable for upto 7.5 HP motor all as specified and directed. Make Havells/BCH/L&T/ C&S.

Supply and fix in replacement automatic star delta starter suitable for upto 10 HP submersible pump set complete all as specified and directed Make :- Havells /C&S/L&T/BCH.

Repair/replacement of Voltmeter and amperemeter in LT panel at Pump house complete all as specified as directed. Make:- Havells India Ltd / HPL India Ltd / L&T / AE / Schnieder / BCH

M & L Construction of brick massonry valve pit chamber of inner dimension 100x100x100 cms suitable for sluice valves upto 100mm size, with PCC (1:4:8) type D-2 for foundation, brick work in cm (1:6) rendering (1:4), 15mm plastering, coping in PCC (1:2:4) type B-1, incl necessary earth work, including MS sheet cover of thickness 2 mm on 50x50x6.0 mm angle iron framework including two coats of synthetic enamelled paint over a coat of red oxide primer with making provision of locking arrangement including demolished old valve pit and including earth work, excavation removing the debris from the site or all as specified and directed.

M & L Construction of brick massonry valve pit chamber of inner dimension 50x50x50 cms suitable for sluice valves upto 100mm size, with PCC (1:4:8) type D-2 for foundation, brick work in cm (1:6) rendering (1:4), 15mm plastering, coping in PCC (1:2:4) type B-1, incl necessary earth work, including MS sheet cover of thickness 02 mm on 50x50x6.0 mm angle iron framework including two coats of synthetic enamelled paint over a coat of red oxide primer with making provision of locking arrangement including demolished old valve pit including excavation removing etc complete from the site or all as specified and directed.

Supply fix in repair 80 mm GI elbow for 80 mm GI pipe fitting complete

S/ F in repair, Aviation light fitting yellow painted die-cast aluminium alloy housing, red coloured polycarbonate dome and accessories on over head resorvoir including fixing arrangements. Model No. LTAL012. make : C&S / Bajaj / Havells / Philips

M&L for earthing complete with galvanised steel earth plate electrode 60 X 60 X 6.3 mm thick buried directly in ground vertically at a depth (earth pit not less than 2.25M deep below ground level with top of the plate not less than 1.5 meter below normal ground level,earth plate surrounded from all sides by 15cm thick packed layer of charcoal,dust & common salt filling in alternate layer and electrode connection by using galvanised iron strip 32X6mm as eatrhing lead(up to the test point) by means of boltts nuts, check nuts and washers made of GI tubing 40 mm bore ,GI pipe connected upto test point and GI pipe light grade 20mm bore for watering and including funnel,wire mash,RCC pit cover and PCC chamber pit with PCC (1:3: 6) type C II using 40mm graded stone aggregate,including excavation and earth work in any type of soil,returning,filling in approved soil and disposal of surplus soil to a distance not exceeding 50m all as specified and shown in electrical plate no 5 of SSR-1991(Part-1), complete all as specified and as directed by Engineer-in-charge.

Excavation in trenches not exc 1.5m wide and n. exc 1.5m depth for foundation of pipes and getting out in hard/dense soil all as specified directed.

Excavation in trenches not exc 1.5m wide and n. exc 1.5m depth for foundation of pipes and getting out in hard / dense soil, (cutting of road, bitumen/WBM/soling etc) all as specified directed.

M/L PCC 1:2:4 type B1 (20mm graded stone aggregate) in roof kerbs or mud stops, rounded or chamfered on edges all as specified and directed

Cleaning of sewage line of 150mm bore of pipe lines in foul conditions by rodding from man hole to manhole removing the sludge from sewage lines, man holes also and flushing water and cleaning the blockage of line (work to be carried out as in foul condition).

Cleaning of sewage line of 200mm bore of pipe lines in foul conditions by rodding from man hole to manhole removing the sludge from sewage lines, man holes also and flushing water and cleaning the blockage of line (work to be carried out as in foul condition).

Cleaning of septic tank and manhole by removing the cover of man hole and septic tank and taking out sludge, night soil including water by bucket from septic tank and buried in the ground all as directed.

Demolition of brick work built in cement mortar all as specified and directed.

Demolition and breaking drain pipes of size 150mm (salt glazed stone ware) set in cement mortar) including demolition of PCC bed and hunching to drain pipes complete.

Demolition and breaking drain pipes of size 200mm (salt glazed stone ware) set in cement mortar) including demolition of PCC bed and hunching to drain pipes complete.

M&L for plain cement concrete (1:4:8) type D2 (40 mm graded stone aggregate) as in bed to drain pipe including packing under and haunching against the sides of pipes after they are laid and tested for 150mm bore pipe all as specified and directed.

M&L for plain cement concrete (1:4:8) type D2 (40 mm graded stone aggregate) as in bed to drain pipe including packing under and haunching against the sides of pipes after they are laid and tested for 200mm bore pipe all as specified and directed.

Cleaning and repairing of gully trap by removing the cover and taking out sludge etc from gully trap all as specified and directed.

M&L for brick work with sub class 'B' bricks, straight or curved on plan exc 6m mean radius built in CM 1:4 all as specified and directed.

M&L for PCC 1:2:4 type 'B' 1 using 20mm graded stone aggregate as in coping, benching etc incl necessary form work all as specified and directed.

M&L rendering 15mm thick on brick surfce in CM 1:4 finished even and smooth without using extra cement including WPC all as specified and directed. Note : supply only Water proofing compound will be measured and paid for separately.

Supply only Integral waterproofing compound all as specified and directed. Make:- Sika /Pidilite / CICO No 1 / ACCRO No 1 /FOSROC

M&L for pre-cast cement concrete 1:2:4 type B1 ( 20mm graded stone aggregate) for man hole and drain cover slab and set in CM 1:4 including demolition of existing concrete cover slabs all as specified and directed.

Taking down unserviceable CI waste pipes 100mm bore from walls all as directed

S&F PVC (SWR) pipes 110mm dia single socketed in any length with rubber ring joints fixed to walls including taking down unserviceable pipe all as specified and directed.

S&F PVC (SWR) bends any radius all as specified and completed

S&F PVC (SWR) branch piece, single (single Y) equal or unequal complete.

S&F PVC (SWR) vent cowl 110mm dia. Make for item Nos. 71 to 75:- Prayag / Supreme / Prince / Finolex / Kisan.

M&L TMT bars 8 to 10mm dia cut of length, bent to shape, hooking ends and binding with mild steel wire (annealed not less than 0.9mm dia or securing with clips all as specified and directed.

M&L Cutting into existing manholes 150 mm bore of pipe for connecting new drains, making good to pipe and rendering, cutting out existing benching for and forming branch channel (1/2 round or 3/4 section) in cement concrete 1:2:4 type B-l smooth finished, and reforming benching as required

M&L Cutting into existing manholes 200 mm bore of pipe for connecting new drains, making good to pipe and rendering, cutting out existing benching for and forming branch channel (1/2 round or 3/4 section) in cement concrete 1:2:4 type B-l smooth finished, and reforming benching as required

M&L PCC 1:2:4 type B-2(20 mm graded aggregate) in surface channel & drain

Extra for forming fair finished drains or channel 30cm inner girth with cement concrete using extra cement incl form's moulds etc all as specified.

M/L for 150mm bore reinforced concrete pipes class NP2, laid and jointed with collars complete all as specified and as directed.

M/L for 200mm bore reinforced concrete pipes class NP2, laid and jointed with collars complete all as specified and as directed. Make for item Nos. 81 & 82:- Indain Hume pipe / Any other reputed make, conforming to IS,as approved in GE.

SCHEDULE OF CREDIT

Note: In case doubling/duplicancy of BOQ items , the lowest quoted rate shall be applicable for payment.

M/S SINGH ENTERPRISE

MD KAMRUZZAMAN