SPECIAL REPAIR TO PS OH WATER RESERVOIRS/ TANKS PIPELINE AT AF STN DIGARU.

M& L for Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5 m in depth for foundation etc. or for shafts, wells, cesspits, manholes, pier holes etc. and getting out in soft/loose soil complete all as specified and directed.

M&L for Returning, filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25cm including depositing the surplus soil along the line of pipe/ cable in the form of heap, complete all as specified and as directed.

Removing of surplus excavated soil to a distance not less than 50m complete all as specified and directed.

S&F of 25 mm dia galvanised steel tubes, 'medium grade', with all fitting; fixed to walls and ceilings or laid in floors, including taking down the existing old unserviceable GI pipe and testing, complete all as specified and as directed.

All as per Item No. 4.00 here-in-above, but for 20mm dia GI pipe, including taking down the existing old unserviceable GI pipe and testing, complete all as specified and as directed.

S&F of 40 mm dia galvanised steel tubes, 'medium grade', with all fitting; fixed to walls and ceilings or laid in floors, including taking down the existing old unserviceable GI pipe and testing, complete all as specified and as directed.

S&F of 50 mm dia galvanised steel tubes, 'medium grade', with all fitting; fixed to walls and ceilings or laid in floors, including taking down the existing old unserviceable G1 pipe and testing complete all as specified and directed.

S&F Gunmetal gate valve of size 20mm dia including taking out old UNSV one complete all as specified and directed.

S&F Gunmetal gate valve of size 25mm dia including taking out old UNSV one complete all as specified and directed.

S&F Gunmetal gate valve of size 40mm dia including taking out old UNSV one complete all as specified and directed.

S&F Gunmetal gate valve of size 50mm dia including taking out old UNSV one complete all as specified and directed.

Supply & Fixing, jointing and testing of cast iron sluice Valve pn1.6 ISI mark of size 80 mm bore (Internal Dia) confirming to IS 14846-2000, flanged ends drilled having stainless steel spindle with cast iron wheel at top complete with nuts, bolts, washers and gaskets including taking out old unserviceable sluice valves, complete all as specified and as directed.

M&L for DI fittings incl rubber joints of suitable size for DI pipe flange/ spigot and socket of size 80 mm to 350 mm bore such as 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 caps and plugs complete all as specified and as directed.

M&L for construction of Brick Masonry Valve Pit, of size 1200mm X 1200mm X 1200mm (Internal dimension), one Brick thick wall in cement mortar 1:4 on 150mm thick PCC 1:4:8, type D-2 (40mm graded aggregate) in Foundation, Rendering 15mm thick internally upto full depth and externally upto 150mm below GL, providing 4 mm thick MS sheet valve Pit Cover, welded with 40X6mm Flat Iron Frame alround including provision of Hinges, Handle and Locking Arrangement and 50 x 50 x 6mm Angle Iron Frame fixed on Top of Valve Pit by means of Holdfast 150mm long, embedded in PCC 1:2:4 (20mm graded aggregate) Block of size 230 x 200 x 100 mm, applying two coats of Synthetic enamel Paint over a coat of Red Oxide Zinc Chrome Primer after preparation of all exposed to Steel Surfaces including necessary Earth Work in Soft/Loose Soil and demolition of old unserviceable Valve Pit, complete all as specified and as directed.

M & L for writing the letters "PS TANK CAP 25000 Glns " and " SAVE WATER" on the tank having 4 feet staging with white synthetic paint on front side and "MES" on other side. size of letter shall not be less than 40 cm complete all as specified and as directed.

Dismantling and lowering down of old rusted top plate/roof sheet made out of 3.15mm thick mild sheet from pressed steel water tank on 4 feet staging carefully without making any damage to other members after necessary unscrewing bolts, nuts etc complete all as specified and as directed.

Supply, errection, hoisting and fixing of mild steel top plate/roof sheet 3.15mm thick made to required shape and drilling necessary holes for fixing of bolts & nuts and fixed on existing pressed steel water tank on 4 feet staging including necessary wire mesh jaly as required complete all as specified and as directed.

Dismantling and lowering down pressed steel side plates of size 1.25mx1.25m following thickness from pressed steel water tank on 4 feet staging, carefully without damage to other members after necessary unscrewing of bolts, nuts, washers etc including separating serviceable side plates and kept in safe custody for reuse in the same work complete all as specified and as directed.

(a) 5mm thick

(b) 6mm thick.

Supply, errection, hoisting and fixing of new pressed steel side plate of 1.25mx1.25m, made to required shape and drilling necessary holes for fixing of bolts and nuts in existing pressed steel water tank on 4 feet staging complete all as specified and as directed. Note :- Nut, bolt and washers will be measured and paid seperately under relevant items

(a) 5mm thick

(b) 6mm thick.

Dismantling and lowering down mild steel tie bar made out of angle iron size 65mm x 65mm x 6mm, 80mm x 80 mm x 6mm, H beam,clits etc of suitable size from pressed steel water tank on 4 feet staging without any damage to other members with necessary unscrewing of bolts, nuts and washers complete as specified and directed.

Supply, errection, hoisting and fixing mild steel tie bars made out of angle iron of size 65mm x 65mm x 6mm, 80mm x 80 mm x 6mm, H beam incl clits etc of suitable size and drilling necessary holes, for fixing of bolts & clits etc pressed steel water tank on 4 feet staging complete as specified and directed. Note :- Nut, bolts and washers will be measured and paid seperately under relevant items

Supply and fixing mild steel machine made nut and bolt 16-20 mm dia and not exceeding 5 cm long nuts and bolts with washers for fixing of steel plates, tie bars etc complete all as specified and as directed.

Supply and fixing mild steel machine made nut and bolt 10-15 mm dia and not exceeding 5 cm long nuts and bolts with washers for fixing of steel plates, tie bars etc complete all as specified and as directed.

M&L for fixing leak proof materials comprising of lead wire, glass wool and black putty in pressed steel tanks to ensure water tightness after taking out old existing jointing materials by burning with blow lamps and cleaning and jointing surface complete all as specified and as directed.

M&L for fixing water level indicator comprising of CI float oval type 250mm dia at centre, MS pulley of 150mm dia, mild steel indicators of suitable size permanently marked stranded stainless steel rope of 10mm dia and 03 m long including connection and accessories required for smooth functioning and testing on completion all complete including dismantling unserviceable one complete all as specified and as directed.

S&F DI pipe of size 80 mm Class K-9 spigoted & socketed end suitable for tyton joints incl rubber joints laid on ground supporting/ anchoring through RCC post incl RCC foundation of suitable size at hilly terrain complete all as specified and as directed. Note :- RCC post incl RCC foundation will be measured and paid seperately under relevant item.

S&F DI pipe of size 80 mm Class K-9 spigoted & socketed end suitable for tyton joints incl rubber joints laid under ground supporting through PCC supporting block of suitable size in bends and fittings as specified in relevant IS and complete all as specified and as directed. Note :- PCC block of suitable size will be measured and paid seperately under relevant items

Taking down old UNSV GI/CI pipe of 80 mm dia including all fitting and demolition of supporting block of any size and specification complete all as specified and as directed.

Taking down old UNSV GI/CI pipe of 80 mm dia including all fittings complete all as specified and as directed.

Reinforced cement concrete Type B1 1:2:4 (20 mm graded aggregate) (nominal mix) in Columns, pillars, piers, posts and struts complete all as specified and as directed.

M&L for cement contrete 1:3:6 type C- 2 40 mm graded stone aggregate as in foundation of pole filling and mass concrete in complete all as specified and as directed.

M&l for cement contrete 1:2:4 type B-1 using 20 mm graded stone aggregate as in roof, kerb or mud stops rounded or charged on edges, coping etc complete all as specified and as directed.

Mild steel bars 10mm dia and over, cut to length bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and incl mild steel wire (annealed) not less than 0.9 mm dia or securing with clips TMT bar complete all as specified and as directed.

All as per item No. 35.00 above but 5 mm dia and over upto and incl 10 mm dia in stirrups, spacers aand binders

Form work to sides of concrete foundations, footing , bases of columns, raft and raft beams sides and soffits (if any) of foundation and plinth beams, and similar work vertical or to batter complete all as specified and as directed.

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