REPAIRS TO CLOSED DRAINS, GRATINGS, BRICKS AND COVER SLABS AND OTHER CONNECTED WORKS AT AREA E AND DAS AT NAVAL DOCKYARD VISAKHAPATNAM

Amount

Dismantling wrought iron or MS work of any description not otherwise provided, complete all as specified and directed.

S&F M.S. framed work such as grills gratings etc with end of bars shouldered/or riveted or forged into spikes framed guard bar, barred iron doors, ladders, framed balusters, walkways, railing, frame work of water tanks and similar works conforming to Fe-290, Grade E- 165.complete all as specified and directed

M&L preparation of new steel surfaces of eaves gutter and pipes any description, n. exc 60 cm girth including holderbats, distance pieces, etc. (length measured over bends, branches etc.) and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified and directed

Cleaning out the line blockages in the existing sewage pipe line under flooring by rodding with split ends to bamboos, cleaning rods etc. or any other suitable devices to allow free flow of effluent in the pipe lines up to the next manhole disposing off out side dockyard premises the foul maters obtained and flushing complete all as specified and as directed.at site for 150 mm bore pipes.

Cleaning of the septic tanks of any size by removing the sludge, scum and other material accumulated there including bailing out the water over sludge / scum by mechanical pump, cleaning the tank with water and taking down tank cover and cleaning and refixing in original position complete all as specified and directed at site, and removing the sludge / scum to out of ND (V) and disposing off / covering the foul materials with earth / mud to avoid foul smell complete all as specified and as directed. Note :- Qty of night soil, sludge, excreta etc shall be measured after deposition of same in earth pit based on measurement of dugged earth pit.

Cleaning the blockage in drains including removing of debris sludges deposits etc accumulated out side the dockyard premises including removing and refixing of cover slab etc complete depth of storm water drain not exceeding 450 mm and disposing of foul materials obtained complete all as specified and as directed.

All as per item No 6.00 above but depth of drain exceeding 450 mm but not exceeding 600 mm.

All as per item No 6.00 above but depth of drain exceeding 600 mm but not exceeding 1000 mm.

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m depth and getting out in soft / loose soil complete all as specified and as directed.

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

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

Demolition of cement concrete( un reinforced) in ground floors and paving n exc 15 cm thickness (below or above ground level) complete all as specified and directed.

Material & labour for PCC 1:4:8 type D2 (using 40 mm graded stone aggregate) as in foundation complete all as specified and as directed.

Demolition / breaking up drain pipes (Salt glazed ware, AC or Reinforced concrete) jointed in cement mortar of any description including packing & hunching to sides of the pipes (except bed) complete all as specified and as directed

M&L salt glazed stoneware drain pipe 150 mm dia grade 'A' laid in trenches and jointed complete all as specified and directed.

M&L PCC 1:3:6 type C2 (using 40 mm graded stone, aggregate) as in concrete bed to drain pipes including packing under haunching against the sides of pipes after they are laid and tested for 150 mm dia SWG pipe all as specified and directed.

Material & labour for PCC 1:2:4 type B1 using 20mm graded agg for benching concrete in manhole including bands, slightly rounded or chamfered angles and thrioating including necessary form work complete all as specified and as directed

Material & labour for forming fair finished drain or channel 50 cm in girth in Cement concrete, using extra cement, including forms, moulds, mitered/ stoped ends etc, complete all as specified and as directed.

Demolition of RCC work of any description and in any position not otherwise specifically provided for complete all as specified and directed (reinforcement cut as required to facilitate demolition).

M&L pre-cast reinforced cement concrete 1:2:4 type B1(using 20 mm graded crushed stone aggregate) as in cover slab of man holes, septic tank etc set in CM 1:4 including necessary forms, moulds etc with removal of existing unserviceable cover slab from manholes / septic tank / cable duct chamber etc. complete all as directed.

M&L MS TMT bars 10 mm dia and over, cut to length, bent to shape required including cranking, bending, hooking ends and binding with and including mild steel wire (annealed) not less than 0.90 mm dia as reinforcement complete

M&L MS TMT bars 6 to 8 mm dia and over, cut to length, bent to shape required including cranking, bending, hooking ends and binding with and including mild steel wire (annealed) not less than 0.90 mm dia as reinforcement complete

Demolition of brickwork or stone/ boulder masonry, built in cement mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles complete all as specified and as directed.

Material & labour Pre-cast cement concrete block masonary with solid blocks, typeC1 1:3:6 (20mm graded agg), exc. 10 cm in width and setting in cement mortar 1:6, complete all as specified and as directed.

Taking down cement plaster on brick walls etc including racking out joints hacking for key scrubbing down with water etc, complete all as specified and as directed.

Material & labour for rendering 15 mm thick on fair faces of brick work or concrete surfaces in CM 1:6 finished even and smooth without using extra cement complete all as specified and as directed.

M&L preparation of newly plastered surfaces of wall and apply three coats of white wash complete all as specified and directed.

Dismantling floor hearth or wall tiling including cement mortar bedding (but not backing) removing serviceable tiles to store and rubbish off the premises complete all as specified and as directed.

Material & labour for 30mm thick cement concrete type 'B-0' 1:2:4 using 12.5mm graded stone aggregate as in flooring complete all as specified and as directed.

Material & labour Non skid ceramic tiles 7 to 8mm thick (square / rectangular) area of each tile exceeding 0.11 Sqm but not exceeding 0.18 Sqm in floors etc, set and jointed in neat cement slurry and pointed in coloured cement to match including 15mm thick screed bed or bedding layer for laying tiles in CM1:6 complete all as specified and as directed

Material & labour for coloured glazed ceramic tiles 350 x 250 x 7 mm / 450 X 350 X 7 mm thick in dado set and jointed in neat cement slurry and pointed in coloured cement to match fixed over incl rendering in CM 1:4, 10mm thick complete all as specified and as directed.

S&F rotational moulded polyethylene water storage tanks (cylindrical, vertical with closed top) hoisted and fixed in position of 2000 Ltr capacity all as specified and directed.including taking down old one.

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