REPAIR TO EXTERNAL WATER SUPPLY PIPE LINE,(RAW WATER) CLEANING OF OVER HEAD TANKS AND CONNECTED WORKS AT INS AGRANI, COIMBATORE

Amount

Excavation intrenches in hard/dense soil not exceeding 1.5 mtr wide and not exc 1.5 mtr in depth for laying of pipes and getting out complete.

Returning filling in and incl spreading leveling watering and well ramming in layers not exc 25cm complete all as specified and directed.

Removing excavated materials (surplus soil) to a distance not exc. 50m and depositing where directed at a level n.exc 1.5 m above the starting point all as specified and directed.

Supply, laying, jointing and testing galvanised mild steel water tubing "medium grade" with and including all GI fittings such as flanges, unions, reducers, sockets, socket reducing bend, elbows, tee checknuts, caps, etc. laid in trenches/ on floor, complete all as specified and directed of following sizes :-

80 mm Nominal bore

50mm Nominal Bore.

40mm Nominal Bore.

25mm Nominal Bore.

M&L UPVC pipe of pressure 10 kgf/cm 2 for Water supply including all UPVC & brass threaded polypropylene random fittings fixed complete intrenches / on wall floor ceiling complete all as specified and directed of following sizes :-

Bore of pipe 50 mm laid in trunch/floor

Bore of pipe 40 mm laid in trunch/floor

Bore of pipe 25 mm laid in trunch/floor

Refixing old steel tubing and connections in new or old position (Walls, ceiling, floors/trenches etc.) of sizes 25 mm bore Note : (a) The rates include for cleaning or rerunning the old screw threads as required (b) The rates include for Fittings such as Sockets, bends, elbows, tees, short pieces, caps, plugs, and union etc. if required to be replaced :-

All as per ser Item No 6 here in before but of size 20 mm bore

Replacement of Gun-metal gate valves , with iron wheel head, screwed both ends for iron pipe, ISI marked, all specified and directed for following sizes:-

50 mm Nominal bore pipe

40 mm Nominal bore pipe

25mm Nominal Bore pipe

Replacement of Gun-metal Globe valve of size 25 mm dia (class-1), with iron wheel head, screwed both ends for iron pipe, ISI marked, all specified and directed

Replacement of Cost iron Foot valve of size 80 mm bore as per IS - 4038 PN 0.2 all specified and directed

Replacement of Brass Foot valve of size 50 mm bore all specified and directed

Replacement of Brass Non Return butterfly valve of size 50 mm bore

Replacement of Lid (cover) of PVC Water storage tank with Moulded solid base and also with threaded cover and fitted with 4 No's PTMT Nut bolts suitable to fitted for and upto 2000 Ltr's capacity PVC water storage tank all as specified and directed.

M&L for brick masonery valve pit internal dimension 900x900x900mm incl necessary excavation and earth work wall 23 cm thick with angle iron frame hold fasts MS sheet cover 3mm thick , handles, locking arrangement common details are to be followed as shown on drg No TD/99/48 sheet No 1/1 and as directed with 1 No lock 50mm size all as specified and directed.

Replacement of Pressure Guage of 0 - 600 lb / in² or 0 - 42 Kgf/cm ² or 10 Kg incl 10 cm dia dial with 15 mm bore brass cock - 01 No's

Replacement of GI specials like Tee,elbow,reducers,socket,bend,long nipple,'H" nipple,all size of Gi fitting special all as specified and directed by engineer in charge (Measurement will be made by weight at site)

Replacement of Brass Float valves high pressure of with polythene float and fly nut complete screwed for iron pipe or PVC ferrule and fixed of following sizes:-

25 mm bore

20 mm bore

Supply and Fix of Cast Iron sluice valve class PN-1.6 type duly ISI Marked as per IS - 14846 with iron wheel head both end flanged , stainless steel spindle, non rising type complete with Neoprene rubber gasket, nuts, bolts and washers etc. complete all as specified and directed of following sizes:-

100 mm bore size

150 mm bore size

200 mm bore size

Replacement of Water sprinklers of size 15 mm bore pipe suitable for Garden all as specified nd directed

Cleaning of HDPE Service tanks by scrapping and removing all Scales, dirts, sediments, silts etc. from inside the tank and from mouths of circulating pipe, washing the tank with fresh water and bleaching powder for tank of capacity upto 500 Ltrs all as specified and directed.

All as per ser Item No 20 above but Capacity of tank above 500 Ltr's and upto 1000 Ltr's

All as per ser Item No 20 above but Capacity of tank above 1000 Ltr's and upto 2000 Ltr's

Cleaning of RCC Service tanks by scrapping and removing all Scales, dirts, sediments, silts etc. from inside the tank and from mouths of circulating pipe, washing the tank with fresh water and bleaching powder for tank of capacity upto 2000 Ltrs all as specified and directed.

Cleaning of RCC Service tanks by scrapping and removing all Scales, dirts, sediments, silts etc. from inside the tank and from mouths of circulating pipe, washing the tank with fresh/raw water and bleaching powder for tank of capacity upto 6000 to 12000 Ltrs on roof top of MAP Bldg all as specified and directed.by the Engr - in - Charge (Raw water and Fresh water Tanks)

Cleaning of RCC Service tanks by scrapping and removing all Scales, dirts, sediments, silts etc. from inside the tank and from mouths of circulating pipe, washing the tank with fresh/raw water and bleaching powder for tank of capacity of Fire safty Tank 25000 Ltrs capacity on roof top of MAP Bldg all as specified and directed. by the Engr - in - Charge

M&L for cleaning of 50000 gallons Over Head Reservoir with 18.3 Mtr height (Near MES Sub station) and removing all scales and dirt and finally washing with bleaching powder water and removing all waste from the bottom of tank and including writing the date of cleaning with black and white paint and as specified and directed by the Engr - in - Charge

M&L for cleaning of 10000 gallons Over Head Reservoir with 10 Mtr (40 feet) height (Near Swimming pool at Camp area) and removing all scales and dirt and finally washing with bleaching powder water and removing all waste from the bottom of tank and including writing the date of cleaning with black and white paint and as specified and directed by the Engr - in - Charge

M&L for cleaning of 5000 gallons Over Head Reservoir (Near MES Pump house - 1 & NORA area - 2) and removing all scales and dirt and finally washing with bleaching powder water and removing all waste from the bottom of tank and including writing the date of cleaning with black and white paint and as specified and directed by the Engr - in - Charge

M&L for cleaning of Semi Under Ground sump and removing all scales and dirt and finally washing with bleaching powder water and removing all waste from the bottom of tanks from the 50000 Ltr's Semi UG sump and including writing the date of cleaning with black and white paint and as specified and directed by the Engr - in - Charge

M&L for cleaning of Under Ground sump and removing all scales and dirt and finally washing with bleaching powder water and removing all waste from the bottom of tanks from the 75000 Ltr's UG sump (CMC Water collection chamber) and including writing the date of cleaning with black and white paint and as specified and directed by the Engr - in - Charge

M&L for cleaning of Under Ground sump and removing all scales and dirt and finally washing with bleaching powder water and removing all waste from the bottom of tanks from the 30000 gallons (Raw Water) UG sump and including writing the date of cleaning with black and white paint and as specified and directed by the Engr - in - Charge

Taking up GI water mains (including all fittings) with Tee, Union, socket ends and including gate valves of following sizes :-

80 mm bore of pipe

50 mm bore of pipe

40 mm bore of pipe

25 mm bore of pipe

20 mm bore of pipe

Taking up UPVC water mains (including all fittings) with Tee, Union, socket ends and including gate valves of following sizes :-

50 mm bore of pipe

40 mm bore of pipe

25 mm bore of pipe

Taking out of sluice valves refacing,regrinding and refixing and or removing from site for bore of pipe 100 mm all as specified and directed

Taking out of sluice valves refacing,regrinding and refixing and or removing from site for bore of pipe 150 mm all as specified and directed

Taking out of sluice valves refacing,regrinding and refixing and or removing from site for bore of pipe 200 mm all as specified and directed

Excavation intrenches in pitmen road/ hard/dense soil not exceeding 1.5 mtr wide and not exc 1.5 mtr in depth for laying of pipes and getting out complete.

M & L for PCC (CM 1:4) type C-1 using 20mm graded stone aggregate for finishing the road cutting up to road level including finishing to exposed concrete surfaces even and fair finishes complete all as specified

Replacement of valve pit Chamber cover of size 950x950 with hold fasts MS sheet cover 3mm thick , handles, locking arrangement with 1 No lockn 50mm all as specified and directed.

Hydro Therm Engineers

SENTOOR BUILDERSS

SRI AMMAN & CO

V.R.Enterprises

joepowercorporation

SARASWATHI CONSTRUCTION

GMS Builders

Rajapriyaconstruction

p.chinnasamy