REPAIRS AND CLEANING OF SEWER LINES AT ARMY AREA COIMBATORE AND MADUKKARAI UNDER GE WELLINGTON

Amount

Cleaning the existing SGSW/ CI /PVC (SWR) sewage Pipe line of any dia by mechanical means by rodding, jetting and removing all sludge and foreign matters completely and neatly from the pipe line under foul condition (including lines and manholes under blocked/ choked condition) and making the sewage lines serviceable for free flow of sewage including blocking of higher level manholes, washing with fresh water to the cleaned line by means of hydraulic/ pneumatic/ vacuum water jet etc all as specified and directed. These operation shall be carried out strictly in conformity with the provisions of 'Manual scavenging (Prohibition) Act and by all mandatory safety provisions complete all as specifed and directed.

Cleaning of manholes of any size and depth up to 2.00 mtrs under foul condition, by removing MH covers, removing of accumulated liquid, sludge/ sediments by mechanical means, transporting the fluid/ sludge etc in covered containers by mechanical means and disposing of the same in CPCB approved central STP/ ETP facility. Cleaning of the manholes with fresh water and white washing inside MH, including petty repairs of cement mortar/ cement concrete (type B-1 1:2:4 using 20 mm graded aggregate and patch work on holes if any made by rodents and making good to walls, placing MH covers back intact in position and setting in cement mortar 1:6 all as specified and directed.

Cleaning and removing individual blockages in IWC/ EWC mechanically and removing all sludge and foreign matters completely, neatly and making serviceable for free flow all as specified and directed.

All as per Item No. 3 hereinbefore, but for Gully trap / nahani trap / floor trap etc including opening the gratings and replacing the covers / gratings in position and making good complete all as specified and directed.

Cleaning of septic tank / sewage sump / soak well by removing of sludge and sediments in dry or mud state by machanical means, transporting the fluids / sludge etc in covered containers manually or machanically and burying the same in pits where directed including necessary excavation, refill and disposal of surplus soil etc, complete, cleaning of septic tank with water, placing the covers intact and removing bush / vegatation near by septic tank to and extent of 3M all round complete all as specified and directed.

Removing of sewage water from septic tank/ sewage sump/ soak well through septic tank cleaning lorries having pumping arrangements and carrying the sewage water in tanks of the lorry, having 5000 litres capacity and disposal of the sewage water outside defence area all as specified and directed.

Excavating in trenches, not exceeding 1.5 m wide and not exceeding 1.50M in depth; for foundation, etc. not exceeding 10 sq m on plan and not exceeding 1.5 m in depth and getting out in hard/ dense soil complete all as specified and directed.

Demolition and breaking up drain pipe (salt glazed drain pipes, AC or RCC) set in cement mortar internal dia of pipes 150mm / 110mm including under and haunching of cement concrete all as specified and directed.

160mm bore PVC (SWR) pipes single socketed in any length with rubber ring joints laid in trenches or in floors or fixed to walls all as specified and directed.

110mm bore PVC (SWR) pipes single socketed in any length with rubber ring joints laid in trenches or in drain all as specified and directed

PVC (SWR) gully traps 125 x 110mm, setting and jointing with solvent cement including concrete pedestal etc complete all as specified and directed.

PVC (SWR) bends any radius, 110mm bore all as specified and directed.

PVC (SWR) bends any radius, 110mm bore with access door all as specified and directed.

110mm dia PVC (SWR) junction single, (Single T) equal or unequal with access door all as specified and directed.

Concrete bed to 150mm bore drain pipes in PCC 1:4:8 type D-2 (using 40mm graded stone aggregate) including packing under and haunching against the side of pipes after they are laid and tested all as specified and directed.

Concrete bed to 100mm bore drain pipes in PCC 1:4:8 type D-2 (using 40mm graded stone aggregate) including packing under and haunching against the side of pipes after they are laid and tested all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick using soils all as specified and directed.

Removing excavated material to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point as in soils all as specified and directed.

Demolition of brick work masonary built in cement mortar all as specified and directed.

Demolition of cement concrete (unreinforced) of any description and in any position not otherwise specifically provided for all as specified and as directed.

Rendering 15mm thick on fair face of brick wall / concrete surfaces in cement mortar 1:4, finished even and smooth without using extra cement all as specified and directed.

PCC 1:4:8 type D2 using 40mm graded stone aggregate as in foundations filling and mass concrete all as specified and directed.

Brick work with sub class B bricks straight or curved on plan exceeding 6M mean radius built in cement mortar 1:4 all as specified and directed.

Providing plain cement concrete type B1 1:2:4 using 20mm graded stone aggregate as in benching / copings including necessary formwork all as specified and directed.

Providing precast cement concrete as in cover slabs (for manholes) type B0 1:2:4, 30 mm thick using 12.5 mm graded aggregate and set in cm 1:4 using hard drawn steel wire fabric not exc 4 kg /Sqm cut to lengths, bent to shape as required and tying with and including mild steel wire (annealed) not less than 0.9mm in dia supplied and fixed in reinforcemnt including 2 handles for lifting and not exeeding the slab in width of 45 cm comlete including fixed in repairs all as specified and directed.

Mild steel TMT bars 8mm dia and over cut to length, bent to shape required, incl cranking, bending spirally for hooping for columns, hooking ends and binding with and incl mild steel wire (annealed) not less than 0.9mm dia or securing with clips all as specified and directed.

Precast cement concrete, type B1, 1:2:4 using 20mm graded stone aggregate, set in cement mortar 1:4 as in cover slabs all as specified and directed. Note: Reinforcement will be measured and paid separately.

Vitreous China, squatting pan, ”ORISSA PATTERN” size 580mm x 440 mm white with integral foot rest and traps complete, fixed as in repairs all as specified and directed.

Vitreous China, wash down water closet pan (Pedestal pattern), white (excluding flushing cistern and flush pipe) complete fixed in repairs all as specified and directed.

Dismantling floor and wall tiling including cement mortar bedding complete all as specified and directed,

Non - skid Ceramic tiles, coloured tiles 7 to 8 mm thick (square/ rectangular) area of each tile exceeding 0.06 sqm but not exceeding 0.18 sqm, in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match the tiles including cement screed bed of 15mm thick in cement mortar 1:6 complete all as specified and as directed.

M/s Shana Constructions

SRI SHIVASHAKTHI CONSTRUCTION

p.chinnasamy