REPAIRS TO CLEANING OF SEWAGE LINE, MANHOLE, SEPTIC TANKS AT NSD SEWRI AND TS MAHUL UNDER GE (NW) MANKHURD

Amount

Excavation in trenches, not exceeding 1.5m wide & 10 sqm on plan and n.exc 1.5m in depth and getting out in hard/dense soil.

All as per item No 01 above but depth exc 1.5 Mtr but n.exc 3.00 mtr

All as per item No 01 above but in soft disintegrated rock

M & L for plain cement concrete 1:3:6 type C2 (using 40mm graded agg) as in bed to drain pipe, 150mm bore including packing under and haunching against the sides of pipes after they are laid and tested including necessary shuttering and supports to concrete

All as per item No 04 above but for 100mm bore pipe.

All as per item No 04 above but for 200mm bore pipe.

M & L for 150mm internal dia salt glazed stone-ware drain pipe Grade'A' laid in trenches and jointed complete all as specified and directed.

All as per item No 07 above but 100mm bore pipe.

All as per item No 07 above but reinforced concrete pipe class NP 2 laid and jointed complete with collars 200 mm dia

Returning, filling in including spreading, leveling watering and well ramming in layers n.exc 25cm in soil complete all as specified and directed.

Removing excavated soil/ rock to a distance n.exc 50m and depositing where directed at a level n.exc 1.5m above the starting point complete all as specified and directed.

Demolition and breaking up drain pipe 150/200mm dia (SGSW,AC or RCC) set in cement mortar.

All as per item No 12 above but dia of pipe 100mm.

Cleaning of SWG sewage line of 150mm to 200mm bore by using suitable device required for removing blockage of line like mud, silt, and other debris and burrying the debris obtained from the SWG line including taking precautionary and safety measures

All as per item No 14 above but 100mm bore.

Removing blockage of WC Indian/Europen type.urinal, bath or kitchen traps including cleaning of WC pan/floor traps and removing blockage of down take pipes up to 1st manholes and removing/ burrying the debris where directed.

Cleaning of manholes upto 1.50m depth including pumping out liquid sludge/waste materials, taking out solid materials from the manholes/chambers, including taking all precautionary and safety measures such as gas mask, use of safety belt and cell torch etc and removing/ burrying the debris where directed.

Cleaning of septic tanks 10 users capacity upto the bottom, including pumping out liquid sludge/waste materials, taking out solid materials from the bottom and digging a suitable sized pit nearby filling the spoil, subsequently covering it with soil and treating the top with bleaching powder complete all as specified and directed.

Cleaning of septic tanks 25 users capacity upto the bottom, including pumping out liquid sludge/waste materials, taking out solid materials from the bottom and digging a suitable sized pit nearby filling the spoil, subsequently covering it with soil and treating the top with bleaching powder complete all as specified and directed.

Demolition of brick work or stone masonary built in cement mortar including all quoins, arches, pillars etc.

M & L for brick work with subclass 'B' bricks straight or curved on plan exceeding 6 mtr mean radius built in CM 1:4 complete all as specified.

M & L for rendering 15mm thick in CM 1:4 on fair faces of brick work or concrete surfaces, finished even and smooth without using extra cement

M & L for cement concrete 1:2:4 , type B-1 (using 20mm graded stone aggregate) as in coping including necessary form work.

M & L for precast reinforced cement concrete 1:2:4 type B-1(20mm graded agg) as in cover slab for manholes/drainage etc, set in cm 1:4 including necessary form work all as specified and directed including demolition of old manhole cover. (Note :- Reinforcement shall be measured and paid separately).

S & F mild steel deformed or twisted bars 6 to 8 mm dia, cut to length, bent to shape required including mild steel wire (annealed) not less than 0.9mm dia complete all as specified.

Supply only integral water proofing compound

M&L for CI 75mm dia Nahani trap with grating including jointing to waste pipe fixed with PCC 1:2:4 type B-1 in repairs complete all as specified and directed.

Demolition of cement concrete in ground floor/ paving n.exc 15 cm thick (below or above ground level).

M & L for 50mm thick cement concrete 1:3:6, type C -1 (20mm graded aggregate) as in plinth protection and PCC path, finished the suface even & smooth without using extra cement and finishing exposed edges fair complete all as specified.

Dismantling stone slab and tiles of any description or thickness in floors/ dado laid, bedded and pointed in any mortar.

M&L for coloured Glazed ceramic tiles (300 x 200 mm) x 7 mm thick, in vertical surfaces such as skiriting, dados etc set jointed in neat cement slurry and pointed in matching colour cement paste over and including 10 mm thick backing coat in CM 1:6

M&L for coloured non skid ceramic tiles 300 x 300mm x 6 to 7mm thick as in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement to match etc complete over and including 20 mm thick screed bed in CM 1:6

Removal of plant growth from wall/roof projection or along the soil /rain water down pipe at any level by injection with chemical Glyphospate solution (4% concentration) of 20mm or till refuse by cutting or injection in stem of plants or roots at 30mm including scafolding upto any ht. Note : A sum of Rs 1,600.00 towards sch of credit shall be deducted to arrive the contract sum.

Joy builders

M/s. GULSHAN CONTRACTION