REPAIRS AND MAINT OF SEWAGE LINES, MANHOLES COVER AND STP LINE IN DOMESTIC AREA AT AF STN JAISALMER

Amount

Excavation in trenches, not exceeding 1.5m wide and not exceeding 1.5m in depth for foundation etc. or for laying of cables, pipes, erection of poles, structs/stays etc. or for shafts, wells, cesspits, manholes, pier holes, etc not exceeding 10 sqm on plan and getting out soft/loose soil complete all as specified and directed.

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

Removal of excavated soil/ material to a distance not exceeding 50 metre and depositing where directed at a level not exceeding 1.50 metre above the starting point complete all as specified.

150mm bore reinforced concrete pipe, class NP2, laid and jointed complete with collars, laid and jointed on concrete bed complete including testing, after demolition and breaking up drain pipes set in cement mortar complete all as specified & as directed.

PCC 1:4:8 type D-2 using 40mm graded stone aggregate in bedding to drain pipes, including packing under and haunching against the sides of pipes after they are laid and tested complete for 150mm bore pipe complete all as specified and as directed.

Precast cement concrete (1:3:6), type C-1 (using 20mm graded stone aggregate) as solid block masonary exceeding 10cm and set in cement and sand mortar (1:4) including demolition of brickwork or stone/boulder masonry built in cement mortar including all quoins, arches, pillars, etc. complete all as specified and directed.

Taking down cement plaster of any description on brick or stone walls or concrete surfaces etc. including raking out joints, hacking for key, scrubbing down with water etc complete all as specified and directed.

10mm thick plaster in cement and sand mortar (1:3) on concrete surfaces or masonry surfaces as in manholes, gully traps and finished even and smooth without using extra cement complete all as specified and directed.

Demolition of plain cement concrete of any description and in any position not otherwise specifically provided complete all as specified and directed.

Providing cement concrete (1:2:4) type C-1 (using 20mm graded stone aggregate) as in coping of masonry wall, benching of manholes etc including weathering, slightly rounded or chamfered angles and throating, necessary formwork as required complete all as specified and directed.

PCC (1:4:8) Type D-2 (using 40mm graded stone aggregate) as in foundations filling and mass concrete complete all as specified and directed.

Precast Cement Concrete 1:2:4 type B1 (using 20mm graded stone aggregate) as in cover slab for manholes and set in cement and sand mortar (1:6) including demolition of reinforced cement concrete as in roofs, floors (other than ground floors), beams, staircases, landing, chajjas and similar suspended work (reinforcement cut as required to facilitate demolition) complete all as specified and directed

RCC 1:2:4 type B1 (using 20mm graded stone aggregate) as in slab supported on walls for manholes, septic tanks etc and set in cement and sand mortar (1:6) including demolition of reinforced cement concrete as in roofs, floors (other than ground floors), beams, staircases, landing, chajjas and similar suspended work (reinforcement cut as required to facilitate demolition) complete all as specified and directed

Mild steel TMT bars upto 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 including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified.

Formwork to soffits of suspended slabs such as roof slabs, floor slabs, landing, culverts and similar work not exceeding 200mm thick (Horizontal or sloping) for rough finished flat surface of concrete complete all as specified and directed.

SFRC manhole covers with rectangular frame of size 44"x26" thickness 4.75" and cover size 40"x22" thickness 2.75" with 36"x18" clear opening MD-10 fixed including dismentling of old manhole cover slab complete all as specified and directed.

Jodhpur stone roof slab, self faced 7.50cm to 10cm thick, 25cm to 35cm wide, hoisted and set, jointed and grouted in cement and sand mortar 1:3 including demolition of stone slabs any thickness complete all as specified and directed.

Cleaning of solid/ liquid mud deposited in under ground sewage line upto and including 150mm bore of any type between consecutive manholes by hydraulic jet pressure machine, through connecting manholes, complete men, machine and water as required including removal and refixing of manholes covers complete all as specified and directed. Note : The contractor shall arrange safaiwala immediately as receipt of complaint and ensure that complaint is resolved within 24 hours and no lapses will be allowed.

Cleaning of solid/ liquid mud deposited in under ground sewage line 200mm to 300mm bore of any type between consecutive manholes by hydraulic jet pressure machine, through connecting manholes, complete men, machine and water as required including removal and refixing of manholes covers complete all as specified and directed. Note : The contractor shall arrange safaiwala immediately as receipt of complaint and ensure that complaint is resolved within 24 hours and no lapses will be allowed.

Cleaning and desilting of manhole of any size and capacity or description but depth not exceeding 1.50 metre by excavation sewage wet/dry soil in foul condition and removing the waste in covered vehicles outside the MD land by taking all necessary precautions and including pumping out fluid, cleaning of sludge from manholes, placing the cover of manholes in position and removing the sludge in covered van/ trolley out side in MD land complete all as specified and directed.

Cleaning and desilting of manhole of any size and capacity or description but depth exceeding 1.50 metre but not exceeding 3.00 metre by excavation sewage wet/dry soil in foul condition and removing the waste in covered vehicles (van/trolley) outside the MD land by taking all necessary precautions and including pumping out fluid, cleaning of sludge from manholes, placing the cover of manholes in position and removing the sludge in covered van/trolley out side in MD land complete all as specified and directed.

Cleaning and desilting of manhole of any size and capacity or description but depth exceeding 3.00 metre but not exceeding 4.50 metre by excavation sewage wet/dry soil in foul condition and removing the waste in covered vehicles (van/trolley) outside the MD land by taking all necessary precautions and including pumping out fluid, cleaning of sludge from manholes, placing the cover of manholes in position and removing the sludge in covered van/trolley out side in MD land complete all as specified and directed.

Dewatering of septic tank/soakage well/ grease trap of any size and any depth by pumping with trolley mounted pump sets including carrying the waste water in closed containers and unloading it out side the MoD land at location shown by Engineer-in-Charge at a distance not exceeding 5.00 KM from the starting point, septic tanks/ soakage wells/ grease trap of any size / depth complete all as specified and directed. Note : (i) Hydraulically driven high pressure pump, capacity of 295 L/Min at 135 bar. (ii) Hydraulically driven high pressure pump having 1850 cum/hr suction pressure. (iii) Rear hydraulic driven hose reel with 120m jetting hose. (iv) Proper safety of the operator during operation. (v) Rate shall be deemed to included in the quoted rates.

Removal of blockage in between WC and nahani trap/WC to Ist manhole / floor trap to nahani trap etc. by flexible roding and removal the all dirt up to a distance of 100 metre complete all as specified and directed. Note : (i) In case a blockage reoccured with in 7 days the same shall be removed without any extra cost of the Govt. (ii) Cleaning of line in between manhole where in the blockage remove shall deemed to incl the rate coated. (iii) If contractor failed to clear the blockage with in 24 hours from the receipt of complaint, a penalty of Rs. 50 per day will charge up to 7 days and after 7 days same will be Rs. 100.00 till completion of complaint.

Gully traps 180mmx150mm size Salt-glazed stoneware, square or round mouthed, type 'P', fixed as in repair complete all as specified and as directed.

Vitreous china squatting pan 'Orissa Pattern' of size 580x440mm white with integral foot rest (excluding flushing cistern and flush pipe) with P' or 'S' trap complete including jointing and making good to floor provision of PCC 1:5:10 bed as in repairs and including dismantling and taking down old unserviceable complete all as specified and directed.

Vitreous china wash down water closet pan (Pedestal pattern), white coloured, including connection to drain (or outgoing pipe) and to flushing pipe, anti-sypohonage pipe etc., with plastic water closet seat cover (white coloured) closed pattern with flat bottom and cover and mild steel chromium plated or aluminized hinging device fixed as in repair complete all as specified and directed.

Flushing cistern PVC of capacity 10 Litres valve less syphonic action type, low level, white colour, with inlet, ball valve, float and handle including brackets complete with flush pipe fixed as in repair complete all as specified and directed.

Coloured Non Skid ceramic tiles 7 to 8mm thick (square /rectangular) area of each tile exceeding 0.06 Sqm but not exceeding 0.11 Sqm in floors etc over 15mm thick in cement and mortar (1:6) bedding set and jointed in neat cement slurry and pointed in coloured cement to match and including dismantling floor, hearth or wall tiling including cement mortar bedding complete all as specified and directed

110mm bore PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to walls including taking down old unserviceable pipe complete all as specified and directed.

75mm bore PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to walls including taking down old unserviceable pipe complete all as specified and directed.

110mm bore PVC (SWR) bend any radius provided fixed as in repair complete all as specified and directed.

75mm bore PVC (SWR) bend any radius provided with access door fixed as in repair complete all as specified and directed.

110mm bore PVC (SWR) Junction Single (Single T) equal or unequal provided with access door fixed as in repair complete all as specified and directed.

75mm bore PVC (SWR) Junction single (Single T) equal or unequal provided with access door fixed as in repair complete all as specified and directed.

75mm bore PVC (SWR) Junction single (Single Y) equal or unequal provided with access door fixed as in repair complete all as specified and directed.

110mm bore PVC (SWR) vent cowl fixed as in repair complete all as specified and directed.

Stack clamp made out of MS flat 50 mm x 5mm and 16 mm dia round iron stays, including bolts & nuts, securing ends of stays to walls or roof for 75mm bore pipe including two coats of synthetic enamel paint over a coat of red oxide primer including preparation of surfaces fixed in repair complete all as specified & as directed.

Stack clamp made out of MS flat 50 mm x 5mm and 16 mm dia round iron stays, including bolts & nuts, securing ends of stays to walls or roof for 100mm bore pipe including two coats of synthetic enamel paint over a coat of red oxide primer including preparation of surfaces fixed in repair complete all as specified & as directed.

PVC (SWR) floor trap 75mm dia outlet plain with grating including jointing with solvent cement and jointing to waste pipe fixed in cement concrete type B-1:2:4 complete all as specified and directed.

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