REPAIR/MAINT OF EXTERNAL WATER SUPPLY CI/GI/PPR PIPE LINES AND VALVES ETC AT ARC AND GTC AND 11 WEU AND SE FALLS AREA UNDER GE SHILLONG

Excavation in trenches for laying of GI water tubing etc getting out in soft/loose soil not exceeding 1.5 m wide and not exceeding 1.5m deep complete all as directed.

M&L cutting/ boring of existing road/hard standing// footpath surfaces for laying of GI water tubing complete all as specified and as directed.

Returning, filling in trenches including spreading, leveling, watering and well ramming in layers not exceeding 25 Cm thick as in soft/loose/hard/dense soil complete all as directed.

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

Taking up old unserviceable GI pipe of 100 mm bore including connection and cleaning the same and refixing in existing location with necessary new fittings complete all as directed. Note: Necessary earth work ie. excavation, returning filling and removal of spoils are deemed to be included in the quoted rates.

Taking up old unserviceable GI pipe of 80 mm bore including connection and cleaning the same and refixing in existing location with necessary new fittings complete all as directed. Note: Necessary earth work ie. excavation, returning filling and removal of spoils are deemed to be included in the quoted rates.

Taking up old unserviceable GI pipe of 50 mm bore including connection and cleaning the same and refixing in existing location with necessary new fittings complete all as directed. Note: Necessary earth work ie. excavation, returning filling and removal of spoils are deemed to be included in the quoted rates.

Taking up old unserviceable GI pipe of 40 mm bore including connection and cleaning the same and refixing in existing location with necessary new fittings complete all as directed. Note: Necessary earth work ie. excavation, returning filling and removal of spoils are deemed to be included in the quoted rates.

Taking up old unserviceable GI pipe of 25 mm bore including connection and cleaning the same and refixing in existing location with necessary new fittings complete all as directed. Note: Necessary earth work ie. excavation, returning filling and removal of spoils are deemed to be included in the quoted rates.

Taking up old unserviceable GI pipe of 20 mm bore including connection and cleaning the same and refixing in existing location with necessary new fittings complete all as directed. Note: Necessary earth work ie. excavation, returning filling and removal of spoils are deemed to be included in the quoted rates.

Supply and fixing in replacement 100mm bore GI tubing, medium grade, including fittings such as tee, bend, nipple, socket, reducer, flange, union etc including taking down of old unsv GI pipes complete all as specified and directed. Note - Excavation and earth work will be measured and paid seperately under relevant item.

Supply and fixing in replacement 80mm bore GI tubing, medium grade, including fittings such as tee, bend, nipple, socket, reducer, flange, union etc including taking down of old unsv GI pipes complete all as specified and directed. Note - Excavation and earth work will be measured and paid seperately under relevant item.

Supply and fixing in replacement 50mm bore GI tubing, medium grade, including fittings such as tee, bend, nipple, socket, reducer, flange, union etc including taking down of old unsv GI pipes complete all as specified and directed. Note - Excavation and earth work will be measured and paid seperately under relevant item.

Supply and fixing in replacement 40mm bore GI tubing, medium grade, including fittings such as tee, bend, nipple, socket, reducer, flange, union etc including taking down of old unsv GI pipes complete all as specified and directed. Note - Excavation and earth work will be measured and paid seperately under relevant item.

Supply and fixing in replacement 25mm bore GI tubing, medium grade, including fittings such as tee, bend, nipple, socket, reducer, flange, union etc including taking down of old unsv GI pipes complete all as specified and directed. Note - Excavation and earth work will be measured and paid seperately under relevant item.

Supply and fixing in replacement 20mm bore GI tubing, medium grade, including fittings such as tee, bend, nipple, socket, reducer, flange, union etc including taking down of old unsv GI pipes complete all as specified and directed. Note - Excavation and earth work will be measured and paid seperately under relevant item.

S&F in repalcment 75mm bore 3- layer PP-R (Polypropylene random copolymer) pipes SDR 7.4 & PN 16 stablised and antimicrobial fusion welded having thermal stability for hot & cold water supply incl all PP-R plain & brass threaded polypropylene random fittings such as male/female threaded socket, male/female threaded tee, reducers, union, socket, end cap, plug, etc laid in trenches/wall/floor incl connection from water main GI/PPR pipe incl taking down old unsv pipe complete all as specified and directed. Note - excavation will be measured and paid seperately under relevant item.

S&F in repalcment 50mm bore 3- layer PP-R (Polypropylene random copolymer) pipes SDR 7.4 & PN 16 stablised and antimicrobial fusion welded having thermal stability for hot & cold water supply incl all PP-R plain & brass threaded polypropylene random fittings such as male/female threaded socket, male/female threaded tee, reducers, union, socket, end cap, plug, etc laid in trenches/wall/floor incl connection from water main GI/PPR pipe incl taking down old unsv pipe complete all as specified and directed. Note - excavation will be measured and paid seperately under relevant item.

S&F in repalcment 40mm bore 3- layer PP-R (Polypropylene random copolymer) pipes SDR 7.4 & PN 16 stablised and antimicrobial fusion welded having thermal stability for hot & cold water supply incl all PP-R plain & brass threaded polypropylene random fittings such as male/female threaded socket, male/female threaded tee, reducers, union, socket, end cap, plug, etc laid in trenches/wall/floor incl connection from water main GI/PPR pipe incl taking down old unsv pipe complete all as specified and directed. Note - excavation will be measured and paid seperately under relevant item.

S&F in repalcment 25mm bore 3- layer PP-R (Polypropylene random copolymer) pipes SDR 7.4 & PN 16 stablised and antimicrobial fusion welded having thermal stability for hot & cold water supply incl all PP-R plain & brass threaded polypropylene random fittings such as male/female threaded socket, male/female threaded tee, reducers, union, socket, end cap, plug, etc laid in trenches/wall/floor incl connection from water main GI/PPR pipe incl taking down old unsv pipe complete all as specified and directed. Note - excavation will be measured and paid seperately under relevant item.

Supply and fix in replacement 80mm bore CI Sluice valve with flanged ends as per IS-14846 PN-1.6 including stainless steel spindle and wheel , ISI marked with nut bolts and jointing material i.e. rubber gasket complete including taking down old unserviceable sluice valve complete all as specified and directed.

Supply and fix in replacement 100mm bore CI Sluice valve with flanged ends as per IS-14846 PN-1.6 including stainless steel spindle and wheel , ISI marked with nut bolts and jointing material i.e. rubber gasket complete including taking down old unserviceable sluice valve complete all as specified and directed.

Supply and fix in replacement 150mm bore CI Sluice valve with flanged ends as per IS-14846 PN-1.6 including stainless steel spindle and wheel , ISI marked with nut bolts and jointing material i.e. rubber gasket complete including taking down old unserviceable sluice valve complete all as specified and directed.

Supply and fix in replacement 200mm bore CI Sluice valve with flanged ends as per IS-14846 PN-1.6 including stainless steel spindle and wheel , ISI marked with nut bolts and jointing material i.e. rubber gasket complete including taking down old unserviceable sluice valve complete all as specified and directed.

Supply and fix in replacement 250mm bore CI Sluice valve with flanged ends as per IS-14846 PN-1.6 including stainless steel spindle and wheel , ISI marked with nut bolts and jointing material i.e. rubber gasket complete including taking down old unserviceable sluice valve complete all as specified and directed.

Supply and fix in replacement 350mm bore CI Sluice valve with flanged ends as per IS-14846 PN-1.6 including stainless steel spindle and wheel , ISI marked with nut bolts and jointing material i.e. rubber gasket complete including taking down old unserviceable sluice valve complete all as specified and directed.

S& F in replacement CI non return valve, 150 mm bore dia with by pass arrangement working pressure 10 kg/Cm2 confirming to IS 5312 including jointing by means of rubber gasket 3 mm thick MS nuts bolts & washers etc including taking down old unserviceable non return valve complete all as specified and directed

M&L for flange joint for 150mm bore pipe with new flange (set of two flange) and rubber gasket, nuts, bolts, washer of required size and white lead complete all as specified and directed. Note : Necessary earth work ie. excavation, returning filling ,and removal of spoil are deemed to be included in the quoted rates.

M&L for flange joint for 100mm bore pipe with new flange (set of two flange) and rubber gasket, nuts, bolts, washer of required size and white lead complete all as specified and directed. Note : Necessary earth work ie. excavation, returning filling ,and removal of spoil are deemed to be included in the quoted rates.

M&L for flange joint for 80mm bore pipe with new flange (set of two flange) and rubber gasket, nuts, bolts, washer of required size and white lead complete all as specified and directed. Note : Necessary earth work ie. excavation, returning filling ,and removal of spoil are deemed to be included in the quoted rates.

M&L for flange joint for 200mm bore pipe with new flange (set of two flange) and rubber gasket, nuts, bolts, washer of required size and white lead complete all as specified and directed. Note : Necessary earth work ie. excavation, returning filling ,and removal of spoil are deemed to be included in the quoted rates.

S&F in replacement 50 mm bore Gun metal gate valve class I (ISI) marked with iron wheel head, screwed both ends for iron pipe, suitable for following bore of pipe including taking down old existing unserviceable gate valve complete all as specified and directed.

S&F in replacement 40 mm bore Gun metal gate valve class I (ISI) marked with iron wheel head, screwed both ends for iron pipe, suitable for following bore of pipe including taking down old existing unserviceable gate valve complete all as specified and directed.

S&F in replacement 25 mm bore Gun metal gate valve class I (ISI) marked with iron wheel head, screwed both ends for iron pipe, suitable for following bore of pipe including taking down old existing unserviceable gate valve complete all as specified and directed.

S&F in replacement 20 mm bore Gun metal gate valve class I (ISI) marked with iron wheel head, screwed both ends for iron pipe, suitable for following bore of pipe including taking down old existing unserviceable gate valve complete all as specified and directed.

Supply only Pig lead first quality for leakage arresting work in pipe lines complete all as specified and directed by Engr-in-Charge.

Supply only lead wool size 0.2mm to 0.5mm thick first quality for leakage arresting work in pipe lines complete all as specified and directed by Engr-in-Charge.

Supply only 3mm to 5mm thick natural plain rubber sheet, Hi strength, abrasion resistant, flexible complete all as specified and directed by Engr-in-Charge.

Supply only water testing kit digital type for measuring Chlorine and PH complete all as specified and directed by Engr-in-Charge.

Material and Labour for cleaning side wall of filteration plant and UG sump with cleaning agent, cleaning brush including tools and plants etc in happy valley area complete all as specified and directed by Engr-in-Charge.

Material and Labour welding work in DI/GI pipe lines for leakage arresting work complete all as specified and directed by Engr-in-Charge.

Supply and laying in replacement ductile iron pipe, S/S including special class K-9, 300mm dia complete including fittings and taking down old/damaged pipe line complete all as specified and directed by Engr-in-charge.

Supply and laying in replacement ductile iron pipe, S/S including special class K-9, 350mm dia complete including fittings and taking down old/damaged pipe line complete all as specified and directed by Engr-in-charge.

S & F in replacement PVC rotational moulded polyethylene water tank ( cylendrical vertical with closed top) hoisted and fixed in position 1000 ltr complete all as specified and as directed.

M & L for Run lead joint suitable for 350mm bore spigot and socket pipes including spun yarn complete all as specified and as directed.

M & L for Run lead joint suitable for 250mm bore spigot and socket pipes including spun yarn complete all as specified and as directed.

M & L for Run lead joint suitable for 200mm bore spigot and socket pipes including spun yarn complete all as specified and as directed.

M & L for Run lead joint suitable for 150mm bore spigot and socket pipes including spun yarn complete all as specified and as directed.

M & L for Run lead joint suitable for 100mm bore spigot and socket pipes including spun yarn complete all as specified and as directed.

M & L for Run lead joint suitable for 80mm bore spigot and socket pipes including spun yarn complete all as specified and as directed. Note-(i) Item no 36 to 50 road cutting permission from PWD and various other permission from civil departments to work in civil area to be obtained by the contractor. (ii) for item no 36 to 50 work to be completed on emergency basis and in one go as the work site lies in civil area.

Supply only Hi strength granular chlorination chemical based calcium hypochlorite having 60% - 70% available chlorine content in gramular from (gramular based disinfictant) for water tratment (Drinking water & swimming pool) and should not induce substances beyond permissible limit as laid down in IS 10500:2012, Packed in 45 Kgs PVC sealed container complete all as specified. (Make: Conforming to Generic BIS specification as approved by GE). Note: Chemical must be of new batch not older than 06 monts of manufacturing.

S&F in replacement 50mm bore PP-R Gate valves (brass insert) including taking down old existing unserviceable gate valve complete all as specified and directed.

S&F in replacement 25mm bore PP-R Gate valves (brass insert) including taking down old existing unserviceable gate valve complete all as specified and directed.

S&F in replacement 20mm bore PP-R Gate valves (brass insert) including taking down old existing unserviceable gate valve complete all as specified and directed.

M&L for construction of block masonry valve pit of size 0.90m x 0.90m x 0.90m complete with PCC1:3:6 type C1 solid block walling 20 cm thick set in cement mortar 1:4 over 100mm thick PCC 1:4:8 type D2 foundation 50 mm thick PCC 1:2:4 type B1 coping on the top of wall rendering 15 mm thick cement mortar 1:4 on inside and including exposed external surface MS sheet cover angle iron frame and locking arrangement etc as mentioned in particular specification including dismantling old existing damaged valve pit and as directed.

M&L for construction of block masonry valve pit of size 0.6 mtr x 0.6 mtr x 0.9 mtr complete with PCC1:3:6 type C1 solid block walling 20 cm thick set in cement mortar 1:4 over 100mm thick PCC 1:4:8 type D2 foundation 50 mm thick PCC 1:2:4 type B1 coping on the top of wall rendering 15 mm thick cement mortar 1:4 on inside and including exposed external surface MS sheet cover angle iron frame and locking arrangement etc as mentioned in particular specification including dismantling old existing damaged valve pit and as directed.

Suplying, fabricating & fixing structural mild steel angle iron, flat iron, sheets and brackets etc for fabrications of valve chamber cover, chasis for pump, PS tank plates, PS tank covers, clamps and back plates including nuts, bolts and washers, welding banding cold or hot drilling holes for insulators bolts in any shape or size complete all as speciified and directed.

M & L for PCC 1:3:6 type C2 (40 mm grade stone grade aggregate) for making good disturbed surface of channels/pavements/foot paths/roads/foundation etc complete all as directed and specified.

Supply and laying in replacement ductile iron pipe, S/S including special class K-9, 250mm dia complete including fittings and taking down old/damaged pipe line complete all as specified and directed by Engr-in-charge.

Supply and laying in replacement ductile iron pipe, S/S including special class K-9, 150mm dia complete including fittings and taking down old/damaged pipe line complete all as specified and directed by Engr-in-charge.

Supply and laying in replacement ductile iron pipe, S/S including special class K-9, 200mm dia complete including fittings and taking down old/damaged pipe line complete all as specified and directed by Engr-in-charge.

M & L for fabrication and necessary lath work for making check nut made out of mild steel iron suitable for 80/100 mm dia CI sluice valve etc including dismantling ols u/s one etc complete all as specified and as directed.

All as per item No 62 here in above but of size 150 mm dia sluice valve

All as per item No 62 here in above but of size 250/350 mm dia sluice valve

M & L for fabrication and necessary lath work for making Spindle made out of mild steel iron suitable for 80/100 mm dia CI sluice valve etc including dismantling ols u/s one etc complete all as specified and as directed.

All as per item No 65 here in above but of size 150 mm dia sluice valve

All as per item No 65 here in above but of size 250/350 mm dia sluice valve

M & L for cutting of existing road / hard standing / foot path surfaces for laying water tubing and making good to disturbed surface with plain cement type B1 (1:2:4) using 20 mm graded crushed stone aggregate as in coping / benching, slightly rounded or chamfered angles and throating, etc including necessary formwork complete all as specified and as directed

M & L for PCC type D2 (1:4:8) using 40 mm graded crushed stone aggregate etc as in foundation, filling and mass concrete etc necessary formwork complete all as specified and as directed

M & L for rendering 15 mm thick cement plaster in neat cement sand mortar 1:4 on fair faces of brick work or on concrete surfaces, finished fair and even without using extra cement etc complete all as specified and as directed

S & F in replacement ball valves high pressure of PTMT with epoxy coated aluminium rod & high density plastic ball screwed for iron pipe 25 mm complete all as specified and as directed.

S & F in replacement PVC rotational moulded polyethylene water tank ( cylendrical vertical with closed top) hoisted and fixed in position 500 ltr complete all as specified and as directed.

S & F in replacement PVC water tank lid 500/1000 ltr cap complete all as specified and as directed

S&F in replacement CI foot valve conforming to IS-4038 of pipe size 150 mm dia including taking out old unserviceable foot valve from the sump complete all as specified and as directed.

S&F in replacement CI foot valve conforming to IS-4038 of pipe size 100 mm dia including taking out old unserviceable foot valve from the sump complete all as specified and as directed.

Material and labour for fabrication, supply, fixing of box type display boards of size not less than 4.0M x 0.60M x 0.2M made out of ACP sheet of 3mm thickness with english alphabets and numerics cut out and designed out of 3mm thick acrylic sheet neatly pasted on the ACP board with flushed LED strips running along the sides of the acrylic letters to be fixed on wall with necessary fixing arrangement as per the site requirement on roof, wall etc.complete all as specified and directed.

Material and labour for fabrication, supply, fixing of box type display boards of size not less than 0.6M x 0.45M x 0.2M made out of ACP sheet of 3mm thickness with enlish alphabets and numerics cut out and designed out of 3mm thick acrylic sheet neatly pasted on the ACP board with flushed LED strips running along the sides of the acrylic letters to be fixed on wall with necessary fixing arrangement ss per the site requirement on roof, wall etc. Note:- (a) Before fabrication of the display board, the contractor has to produce a paper printout detailing all documents and matter to be displayed so as to get it inspected and passed by Engr-in-charge. (b) Matter to be displayed, colour of the ACP sheet and colour of Retro Reflective sheet will be as specified and directed by Engr-in-Charge. (c) The quoted rate is deemed to be inclusive of cost of labour and materials required for fixing of the display board at the location including providing electrical connections complete as specified and directed.

Material and labour for fixing of Layout diagram of water supply suction and delivery lines flow chart/ shock treatment chart etc of size 1.5M x 1.0M for pump house and other E/M installations as per the requirement at various locations made out of pre laminated board with digital printing, pasting side beadings of decorative aluminium channel with proper fixing arrangement etc complete all specified and directed by Engr-in-charge. Note:- (a) Before for fabrication of the display board, the contractor has to produce a paper printout detailing all documents and matter to be displayed so as to get it inspected and passed by Engr-in-charge. (b) Matter to be displayed, colour of the ACP sheet and colour of Retro Reflective sheet will be as specified and directed by Engr-in-Charge. (c) The quoted rate is deemed to be inclusive of cost of labour and materials required for fixing of the display board at the location including providing electrical connections complete as specified and directed.

Dismantling and taking down old u/s earthing complete with galvanised earth plate electrode 600mm x 600mmx 6.00mm thick surrounded by charcoal and salt, buried directly in ground vertically in a pit of depth not less than 2.25m below ground level with top edge of the earth plate not less than 1.5m below normal ground level, connected to 25x4 mm GI strip earth lead by means of bolts, nuts, checks nut and washers made out of galvanized iron or steel, earth wire protected by galvanized steel pipe 40mm bore medium grade and connected to main switch or main control board all as shown in electrical plate No.3 of SSR Part-I & including necessary excavation and earth work. The rate also include charcoal & salt in alternate layers, 20mm bore GI pipe medium grade for watering and 40mm bore GI protection pipe (light grade), funnel, wire mesh, cast iron cover and frame etc, complete, all as specified or indicated and as directed including testing on completion complete all as specified and directed. Note : (i) The quoted rate shall include the cost of earth work, GI pipe for watering, GI protection pipe, funnel, wire mesh, RCC cover, etc. complete. RCC cover shall be 50mm thick in 1:2:4 type B-1 using 8mm bars @10cm c/c both way. (ii) The quoted rate shall include the cost of the earth pit covers to be conspicuously marked of plate with stand grouted in PCC. (iii) On testing after completion if the desired earth resistance is more than 2Ώ the earthing will be redone at no extra cost

M&L for cleaning, servicing and repairs/ replacement of minor parts of single phase induction motor 120 watts, 960 RPM, 220 Volts suitable for 100 lts capacity chemical dozing system, ADS Pro including fittings complete all as directed by Engr in Charge.

M&L for cleaning, servicing and repairs/ replacement of minor parts of decrin dosing pump 100 psi, 240 Volts, 40 GPD suitable for 100 lts capacity chemical dozing system, ADS Pro including fittings complete all as directed by Engr in Charge.

M& L for obtaining test results of water from state food Testing Laboratary of Govt of meghalaya, shillong, collecting from Pump House and different sources, Test parameter ie Physical and chemical parameters Ph value, Turbidity, NTU, chloride, total dissolved solids, Total alkalinity, Total hardness, Calcium, Magnesium, Iron and Micrological parameters etc complete all as specified and directed by Engr-in-Charge.

Supply only alum ferric Grade- IV confirming TI BIS 260-2001 complete all as specified and directed by Engr-in-Charge.

M&L for Brick work with subclass 'B' bricks, straight or curved on plan exc 6m mean radiusbuilt in CM 1:6.

Supply only Iodised salt for Hydrodis System complete all as specified and directed by Engr-in-Charge.

S& F in replacement CI non return valve, 200 mm bore dia with by pass arrangement working pressure 10 kg/Cm2 confirming to IS 5312 including jointing by means of rubber gasket 3 mm thick MS nuts bolts & washers etc including taking down old unserviceable non return valve complete all as specified and directed