Repair/ maintenance of Water Supply System and replacement of Rising Mains from main source Army Land and OHT and Distribution Mains of CI/ DI Pipe Line alongwith connected works under GE (I) Navy Jamnagar

Notes for all items of Schedule 'A' :- (i) The water supply line repair work to be carried out both in Defence Cantt as well as in Civil area in any description and in different locations in full / part. (ii) It is the responsibility of the Contractor to ensure that repair work is nowhere hampered during any stage i.e. currency of contract as such contractor shall prepare well in advance by liaisoning with concerned State / Central department authorities under whose jurisdiction it lies, in no case work to be stopped in half way for want of permission etc in case necessary fee if any shall be borne by the contractor for which no payment shall be reimbursed. (iii) Necessary barricade, diversion boards and necessary safety signs etc as per safety norms shall be made & arranged by Contractor without any extra cost to Govt. (iv) During execution damage occurred to any sort structure etc the same shall be made good to its original specification by the contractor without any extra cost to Govt. (v) In case of road cutting inside Defence Cantt is inevitable the same shall be cut to required size and shape only after obtaining written approval of Engineer-in Charge, in no case road cutting be done without written approval of EIC. Vice versa if road cutting in Civil area is inevitable in that case necessary prior permission to be obtained by the contractor from concerned Govt authorities. In case of any fees etc the same shall be borne by the contractor without any extra cost to Govt. The road cutting shall be measured and paid separately under relevant items. Notes Contd....

Taking down cement plaster of any description on PCC/stone surface/brick surfaces including racking out joints, hacking for key scrubbing down with water etc and removal of entire debris as ordered outside MoD land complete all as specified and as directed.

Demolition of brickwork/PCC block or stone/boulder masonry, built in cement mortar including all quoins, arches, pillars, etc and removal of entire debris as ordered outside MoD land complete all as specified and as directed.

Demolition of cement concrete (un-reinforced) of any description and in any position not otherwise specifically provided for in this Schedule and removal of entire debris as ordered outside MoD land complete all as specified & as directed.

Excavating in trenches, not exc 1.5 metre wide and not exc 1.5 metre in depth, for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. laying cables, pipes, etc. not exc 10 Sqm on plan & not exc 1.5m in depth and getting out in soft/ loose soil complete all as specified and as directed.

Excavating in trenches, not exc 1.5 metre wide and not exc 1.5 metre in depth, for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. laying cables, pipes, etc. not exc 10 Sqm on plan & not exc 1.5m in depth and getting out in hard/ dense soil complete all as specified and as directed.

All as per item No. 6 here-in-above but exc 1.5 m and not exc 3.0 m in depth -do-

Returning, filling in trenches, including spreading, leveling, watering and well ramming in layers not exceeding 25 cm thick in soil complete all as specified and as directed.

Removing excavated surplus soil to a distance not exceeding 50 mts and depositing where directed at a level not exceeding 1.5 M above the starting point complete all as directed.

M&L for cement concrete 1:2:4 type B1, using 20mm graded crushed stone aggregate as in lintels upto 1.5m clear span, cills, steps, seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, roof kerbs, mud stops and the like including weathering, slightly rounded, chamfered angle and throating as directed including use and waste of form work (straight or curved) all exposed surface of concrete finished fair complete all as specified & as directed.

M&L for brick work with old size Fly Ash bricks, straight or curved on plan exc 6.00 metre mean radius, built in cement mortar 1:6 complete all as specified and as directed.

M&L for rendering 10 mm thick in cement mortar 1:6 on fair faces of brick work or concrete surfaces, finished fair & even complete all as specified and as directed.

M&L for preparation of newly plastered / unplastered surfaces of walls & applying three coats of white wash complete all as specified.

M&L for cutting of existing PCC floor / hardstanding / Interlocking tiles path / WBM road with soling & premix carpet of any description for removing / laying UG Cables/ pipe line, depth of cutting not exceeding 120cm and width 60cm and filling the trench of road i.e. excluding top 20cm with existing aggregate obtained from cutting, watered and properly rammed to satisfaction of EIC and finally provide with & including 20 cm thick PCC 1:2:4 type B1 using 20 mm graded crushed stone aggregate to entire width of trench & finally match the top surface to road & disposal of debris to a distance not exceeding 250 metre and depositing where directed including re-setting of interlocking tiles/ Paver block (where required) complete all as directed.

Taking up or down existing unserviceable Cast Iron/ Ductile Iron Pipes/ Mild Steel water main Pipes of 100mm bore of any class including all fittings with spigot and socket ends and lead joints including burning out joints, flanged joints etc all as directed.

All as per item No. 17 here-in-above, but 150mm bore pipe -do-

All as per item No. 17 here-in-above, but 200mm bore pipe -do-

All as per item No. 17 here-in-above, but 250mm bore pipe -do-

All as per item No. 17 here-in-above but 300mm bore pipe -do-

Supply, laying, jointing, commissioning and testing centrifugally cast Ductile Iron (DI) Spun pressure pipes (Class K9) of 100mm bore (ISI marked) conforming to IS : 8329-2000 with internal cement mortar lining and external zinc coating (130 gm/sqm minimum) and bituminous finish layer (minimum thickness 70 microns) with socket & spigot ends with push on joints with & including EPDM rubber gasket laid in trenches in any length complete all as specified & as directed.

All as per item No. 22 here-in-above, but 150mm bore pipe - do -

All as per item No. 22 here-in-above, but 200 mm bore pipe - do -

All as per item No. 22 here-in-above, but 250mm bore pipe - do -

All as per item No. 22 here-in-above, but 300mm bore pipe - do - Notes for serial item No. 17 to 26 :- Excavation & earthwork and fittings shall be measured & paid for separately.

Supply, laying, jointing, commissioning and testing of MS ERW flanged pipe heavy grade (ISI marked) of 150 mm bore including necessary drilling, cutting, bending & welding in required shape including nuts, bolts, washers, rubber gasket, making short pieces as required with & including painting external surfaces with two coats of synthetic enamel paint of approved tint over a coat of zinc chromate primer including taking up or down existing MS pipe of 150mm bore of any description complete all as specified and as directed.

Supply, laying, jointing, commissioning and testing of MS ERW flanged pipe heavy grade (ISI marked) of 250 mm bore including necessary drilling, cutting, bending & welding in required shape including nuts, bolts, washers, rubber gasket, making short pieces as required with & including painting external surfaces with two coats of synthetic enamel paint of approved tint over a coat of zinc chromate primer including taking up or down existing MS pipe of 250mm bore of any description complete all as specified and as directed.

Supply, laying, jointing, commissioning and testing of MS ERW flanged pipe heavy grade (ISI marked) of 300 mm bore including necessary drilling, cutting, bending & welding in required shape including nuts, bolts, washers, rubber gasket, making short pieces as required with & including painting external surfaces with two coats of synthetic enamel paint of approved tint over a coat of zinc chromate primer including taking up or down existing MS pipe of 300mm bore of any description complete all as specified and as directed.

Supply & fixing cast iron body sluice valve heavy duty class ‘PN-1.6’ of 80 mm bore, ISI marked with IS 14846, both flanged ends and drilled, high tensile stainless steel spindle, CI gate with brass ring, non rising type, cast iron wheel handle, cast iron cap, with 3mm thick neoprene rubber gasket joint and nuts, bolts (high tensile), washers etc, and testing, including dismantling & taking out old unserviceable sluice valve of 80 mm bore, complete all as specified & as directed.

All as per item No. 30 here-in-above, but 100 mm bore

All as per item No. 30 here-in-above, but 150 mm bore

All as per item No. 30 here-in-above, but 200 mm bore

All as per item No. 30 here-in-above, but 250 mm bore

All as per item No. 30 here-in-above, but 300 mm bore

S&F 80 mm bore butterfly valve cast iron body, class PN 1.6, ISI marked, single eccentric, double flanged short body type with all fittings, nuts, bolts and washers and necessary rubber gaskets etc., including taking down old butterfly valve compete all as specified and as directed.

All as per item No. 36 here-in-above, but 100 mm bore

All as per item No. 36 here-in-above, but 150 mm bore

All as per item No. 36 here-in-above, but 200 mm bore

All as per item No. 36 here-in-above, but 300 mm bore

Supply and fixing Non Return Valve (NRV) of size 80mm bore, cast iron body, as per IS 5312 (ISI marked), heavy duty, class ‘PN-1.6’, gun metal seat, both ends flanged and drilled, including nuts, bolts, washer and neoprene rubber gasket joint complete all as specified and as directed including dismantling & taking out old unserviceable non return valve of 80mm bore.

All as per item No. 41 here-in-above, but 100 mm bore

All as per item No. 41 here-in-above, but 150 mm bore

Supply and fixing Ductile Iron fittings, specials (K-12) such as bends, tapers, collars, reducers, tee pieces (single or double branch) any type, angle/radius and straight connecting pieces etc (ISI marked) conforming to IS-9523 for flanged/socket and spigot ends suitable for DI pipe upto 300 mm bore, fixed in repairs, complete all as specified and as directed.

S&F MS fittings suitable for 80mm to 300mm bore pipes such as bends, tappers, etc any type and angle and straight connected pieces any type joint all flange ends including necessary cutting, welding, bending, drilling holes for bolts, in any shape or size as indicated or directed including necessary jointing materials such as nut, bolts, washers, packings and welding including testing for leakage etc to the entire satisfaction of Engineer-in-Charge with & including painting external surfaces with two coats of synthetic enamel paint of approved tint over a coat of zinc chromate primer including dismantling & taking out existing fittings of any description complete all as specified and as directed.

M&L in repairs for run lead joint for 300 mm bore CI spigot & socket pipe and fittings including preparation of ends & jointing material complete all as specified & as directed.

All as per serial item No. 47 here-in-above but of internal size 900x900x900 mm -do-

All as per serial item No. 47 here-in-above but of internal size 600x600x600 mm -do-

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