MAINTENANCE AND REPAIRS TO EXTERNAL WATER SUPPLY AND CONNECTED WORKS UNDER GE (ARMY) TRIVANDRUM

Amount

Excavating in trenches in hard/ dense soil, not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. not exceeding 10 sq m on plan and not exceeding 1.5 m in depth and getting out complete all as specified and directed.

Returning filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm using soil obtained from excavation complete all as specified and directed.

Removing excavated soil material from site to a distance not exceeding 50 mtr away and depositing where directed at a level not exceeding 1.5 mtr from the starting point complete all as specified and directed.

S&F 150 mm dia. cast iron sluice valve heavy duty with steel spindle and bronze gate and seating rings both end flanged and drilled comprising IS 780 of 1984 type PN 1.6 ISI marked including suitable rubber gasket joints, grid packings with suitable nuts and bolts and grouting materials including taking down old unserviceable sluice valve from site complete all as specified and directed.

All as per Sl No. 4.00 here-in-before, but 100 mm dia. complete all as specified and directed.

All as per Sl No. 4.00 here-in-before, but 80 mm dia. complete all as specified and directed.

S&F 100 mm dia. cast iron non-return sluice valve flanged, class PN 1.0 including nuts, bolts, washer and gasket with by-pass arrangement including taking down old unserviceable non-return sluice valve from site complete all as specified and directed.

All as per Sl No. 7.00 here-in-before, but 80 mm dia. complete all as specified and directed.

S&F 150 mm bore cast iron foot valve flanged type suitable for GI pipe and connection including taking down old unserviceable foot valve from site complete all as specified and directed.

All as per Sl No. 9.00 here-in-before, but 100 mm bore complete all as specified and directed.

All as per Sl No. 9.00 here-in-before, but 80 mm bore complete all as specified and directed.

Supplying and laying 90 mm outer dia. 3- layer PP-R Polypropylene random copolymer) concealed pipes SDR 7.4 (PN16) UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply all PP-R plain & brass threaded polypropylene random fittings laid in trenches including taking down old unserviceable pipes from site complete all as specified and directed.

All as per Sl No. 12.00 here-in-before, but 63 mm outer dia. complete all as specified and directed.

All as per Sl No. 12.00 here-in-before, but 50 mm outer dia. complete all as specified and directed.

All as per Sl No. 12.00 here-in-before, but 32 mm outer dia. complete all as specified and directed.

All as per Sl No. 12.00 here-in-before, but 25 mm outer dia. complete all as specified and directed.

Supplying and laying 80 mm bore UPVC high pressure pipes as per ASTM-1785 sch 80 as per IS-554, with working pressure upto 10 Kg/cm2 including all fittings laid in trenches including taking down old unserviceable pipes from site complete all as specified and directed.

All as per Sl No. 17.00 here-in-before, but 50 mm bore complete all as specified and directed.

All as per Sl No. 17.00 here-in-before, but 40 mm bore complete all as specified and directed.

All as per Sl No. 17.00 here-in-before, but 25 mm bore complete all as specified and directed.

All as per Sl No. 17.00 here-in-before, but 20 mm bore complete all as specified and directed.

Supplying and laying 100 mm bore GI tubing medium grade including all fittings such as bends, elbows, tees, union, short pieces, connectors, check nuts, caps, plugs etc. and jointing in trenches/ fixing to wall/ ceiling or floor including taking down old unserviceable pipes from site complete all as specified and directed.

All as per Sl No. 22.00 here-in-before, but 80 mm bore complete all as specified and directed.

All as per Sl No. 22.00 here-in-before, but 50 mm bore complete all as specified and directed.

All as per Sl No. 22.00 here-in-before, but 40 mm bore complete all as specified and directed.

All as per Sl No. 22.00 here-in-before, but 25 mm bore complete all as specified and directed.

S&F Gun-metal, globe or gate valves, with iron wheel head, suitable for 50 mm bore of pipe, with ISI mark, conform to IS-778, class-I screwed both ends for GI/ UPVC pipes including taking down old unserviceable gate valves from site complete all as specified and directed.

All as per Sl No. 27.00 here-in-before, but 40 mm bore complete all as specified and directed.

All as per Sl No. 27.00 here-in-before, but 25 mm bore complete all as specified and directed.

All as per Sl No. 27.00 here-in-before, but 20 mm bore complete all as specified and directed.

M&L for repairing valve chamber of 1200x1200x1200 mm (internal dimensions) by cleaning and removing small bushes inside and surrounding the valve chamber and necessary brick work, plastering in cement mortar 1:4, three coats of white washing inside, outside and S&F new MS sheet cover 3 mm thickness with necessary welding including dismantling unserviceable MS sheet cover and applying two coats of synthetic enamel paint over coat of red oxide zinc chrome primer and locking arrangements complete all as specified and directed.

M&L for overhauling monoblock pump set of capacity 20 HP after removing from base plate, disconnecting from pipe line and dismantling pump set, replacing unserviceable gland packing, gun metal bush bearing and water seal, applying greasing etc. reassembling the pump set and including dismantling the motor, cleaning the rotor, starter, varnishing, backing etc and reassemble motor and refixing back on the base plate and connecting existing pipe line with nuts, bolts and new gasket and painting on motor and pump sets and suction and discharge pipe line with one coat of synthetic enamel paint with spray painting also connecting the existing cable, etc. checking and starting and testing complete pump set for its performance satisfactory result complete all as specified and directed. Note: The scope of work under this item shall be carried out in authorised work shop as approved by Engineer-in-charge.

All as per Sl No. 32.00 here-in-before, but for 15 HP capacity complete all as specified and directed.

All as per Sl No. 32.00 here-in-before, but for 7.5 HP capacity complete all as specified and directed.

All as per Sl No. 32.00 here-in-before, but for 5 HP capacity complete all as specified and directed.

Disconnecting, removing, dismantling and rewinding of electric motor of 20 HP capacity pump set, induction type, three phase, 415 volts, 50 Hz, AC supply with super enamelled copper winding wire of suitable gauge including varnishing, reassembling/ refixing, connecting, commissioning, testing pump motor complete all as specified and directed. Note: The scope of work under this item shall be carried out in authorised work shop as approved by Engineer-in-charge.

All as per Sl No. 36.00 here-in-before, but for 15 HP capacity pump set complete all as specified and directed.

All as per Sl No. 36.00 here-in-before, but for 7.5 HP capacity pump set complete all as specified and directed.

All as per Sl No. 36.00 here-in-before, but for 5 HP capacity pump set complete all as specified and directed.

S&F fully automatic star-delta starter at 415 volts, 3 phase having suitable operating relay range enclosed in sheet metal enclosure including all fixing arrangements and making electrical connections, suitable for 20 HP pump set motor complete all as specified and directed.

All as per Sl No. 40.00 here-in-before, but for 15 HP pump set motor complete all as specified and directed.

S&F pressure gauge 100 mm dia siphon tube and brass cock including taking down old unserviceable pressure gauge complete all as specified and directed.

S&F wire mesh covering with suitable clamps for air vent pipes and over flow pipes of size 4" complete all as specified and directed.

S&F wire mesh covering with suitable clamps for air vent pipes and over flow pipes of size 6" complete all as specified and directed.

M&L for preparation on rusted surfaces of on 20 HP centrifugal pump set or 20 HP monoblock pump set, applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer including painting to mounting channel, NRV suction and delivery pipes complete all as specified and directed.

All as per Sl No. 45.00 here-in-before, but for 15 HP pump set complete all as specified and directed.

All as per Sl No. 45.00 here-in-before, but for 7.5 HP pump set complete all as specified and directed.

M&L for inserting/ connecting new CI/ DI joints (bend, tee piece, junction, etc) of size 150 mm dia. including washers, nuts and bolts complete including taking down old existing unserviceable CI/ DI joints complete all as specified and directed.

ACE PROMOTERS

B.LAMBODHARAN

VIJAYA ENTERPRISES

KEERTHI CONSTRUCTIONS