SPECIAL REPAIR/ REPLACEMENT OF PIPELINES FROM APSARA TO JATIA HILL AND OLD U/G GI PIPE FOR BLDG NO 204 TO 211 AT INS CHILKA UNDER GE CHILKA

Amount

Excavating in trenches, not exc 1.5m wide and not exc 1.5m in depth; for laying pipes and getting out in any type of etc soil, complete all as specified and directed.

Returning, fillingin, including spreading, levelling, watering and well ramming in layers not exc 25 cm in soft/ loose soil, complete all as specified

Removing of excavated soils n exc 50m and depositing where directed at a level n exc 1.5m above the starting point complete all as specified and as directed by the Engr-in-Charge

Cutting the road / hard standing for laying of pipes in trenches of size 900x600mm and making good with PCC 1 :2 :4 Type B1 complete and painting with black paint , if necessary, to match with existing bituminous road colour complete all as specified and as directed by the Engineer-in-Charge .

Supply and fix in repairs trenches/wall steel water tubing,15 mm medium grade, galvanized including all fittings complete all as specified and as directed. Make: Tata/ Jindal/Zenith/Swastik/Prakash

Ditto all as per above item but of size 25mm dia

Ditto all as per above item but of size 40mm dia

Ditto all as per above item but of size 50mm dia

Takingdown of existing CI pipe 250mm dia and Supply and laying ductile Iron pipe , S/S including specials, Class “K-7” ,250 mm (10”) dia including Rubber gasket joint(Tylon joint) for 250mm dia pipe shall be used spigot of pipes and portion of sockets engaging the bulb seating shall be scrubbed of all dirt,dust,loose scale etc and wiped complete all as specified and directed.

Takingdown of existing CI pipe 300mm dia and Supply and laying ductile Iron pipe , S/S including specials, Class “K-7” ,300 mm (12”) dia including Rubber gasket joint(Tylon joint) for 300mm dia pipe shall be used spigot of pipes and portion of sockets engaging the bulb seating shall be scrubbed of all dirt,dust,loose scale etc and wiped complete all as specified and directed.

Supply and fixing in repairs cast iron fitting for spigot & socketed pipe up to 300mm bore having bends(any type,radius and angle)tapers any type(straight,bend,increasing,decreasing or double socket etc.)Tee pieces single branch"Y" junction,double branch,cross(all sockets or socket and spigot)collars,capsand plugs,complete all as specified and directed.

Supply and fix in repairs bronze, globe or gate valves, 25 mm bore with iron wheel head, screwed both ends for iron pipe and fixed and all as specified.

Ditto all as per above item but of size 50mm dia

Supply and fix in repairs, ball brass valves of 25 mm dia, high pressure with polythene float and flynut complete screwed for iron pipe including socket of suitable size complete all as specified and directed.

Supply and fix in repairs Cast Iron Sluice Valve 250 mmdia Flanged type PN 1.6 conforming to IS 780 drilled ends any pattern including and jointing materials complete with rubber gasket, bolts and nuts etc. and all as specified.

Supply and fix in repairs Non return Valve 250 mmdia Flanged type PN 1.6 conforming to IS 780 drilled ends any pattern including and jointing materials complete with rubber gasket, bolts and nuts etc. and all as specified.

Supply and fix in repairs Air release valve 200mm dia complete all as specified and as directed.

Construction of brick masonry valve chamber 60cmx60cmx60 cm inner dimension brick masonry in CM 1 :4 PCC base in 1:3:6 of 7.5 cm thick and plastering 15 cm thick in CM 1 : 4 in inner side/coping of all chamber fabrication of iron frame 40 x 40 x 6 mm size angle iron MS cover3 mm thick with hinges and locking arrangement duly painted including excavation earth work all complete all as specefied and directed.

Material and labour for plain cement concrete 1:4:8, type D-2, using 40 mm graded stone aggregate as in foundation, filling and mass concrete all as specified and as directed.

Material and labour for PCC 1:3:6, type C-1, using 20 mm graded stone aggregate, as in foundation/ including necessary form work and finishing the exposed concrete surfaces even and fair complete all as specified and as directed

HARI HARA NAYAK

RANA ENTERPRISES