Repair/Maintenance of Storm Water Drains and Cleaning of Sewarage System in Domestic Area at AF Stn Bhisiana

Amount

Cleaning of sewage line blockage by rodding from manhole to manhole. Manhole to cleaning eye including that from first manhole to cleaning eye of down take pipe and removing all debris, sludge and solid material from sewage line and removal from site and well flushing with water after cleaning vertical pipe of following dia of pipes at any depth all as specified and as directed by Engineer-in-Charge.

200mm internal dia.

150mm internal dia

100mm internal dia

Cleaning of gully traps incl removal of blockage by rodding from gully trap to man hole and gully trap to cleaning eye of down take pipe and removing all debris sludge and solid material from waste pipe line and from the gully trap and removal from site and flushing with water after cleaning vertical pipe and spinking of bleaching powder as specified and as directed by Engr-in-Charge.

Cleaning of manhole chamber of any shape/size depth not exceeding 0.6 Mtr by removing sludge/mud,silt, liquid etc(in foul condition to outside MD land premises including testing of manholes by filling with water ) all as specified and directed by mechanical method.

Note for ser item No 1 to 3:- (i) The rates quoted in the above item includes cost of T&P like rods, bamboos, gum shoes,shovel and hand glouses etc complete (ii) The lines or manhole measured once can not measured again within 3 months. If blocks in the same lines or manhole re-occur within 3 months the contractor will clean again & nothing will be paid extra for this. (iii) Minimum one sweeper and one helper shall be deployed by contractor and they shall be present on all working days from 0900 hrs to 1700 hrs for maintenance of sewage lines. The persons will be detailed by JE/AGE (I) concerned every morning for attending complaints on daily basis. (iv) The complaint has to be rectified within 24 Hrs as given in complaint slip failing which penalty will be imposed @ 500/- per complaint per day.

Cleaning of surface/storm water closed/open drains having sectional area exc 0.5 sqm but n exc 2 sqm by removing glass, shrubs, sludge,earth, mud and slit and Removing debris to a distance exc 500 m and depositing where directed at a level not exc 1.5 m above the the starting point.

Cleaning of manhole chamber of any shape/size depth exceeding 0.6 Mtr but n exc 1.5Mtr by removing sludge/mud,silt, liquid etc (in foul condition to outside MD land premises including testing of manholes by filling with water) all as specified and directed by mechanical method.

Cleaning of manhole chamber of any shape/size depth exceeding 1.5 Mtr up to 3Mtr by removing sludge/mud,silt, liquid etc(in foul condition to outside MD land premises including testing of manholes by filling with water ) all as specified and directed by mechanical method.

Cleaning of manhole chamber of any shape/size depth exceeding 3 Mtr by removing sludge/mud,silt, liquid etc(in foul condition to outside MD land premises including testing of manholes by filling with water ) all as specified and directed by mechanical method.

Desludging/ dewatering ,Cleaning of septic tank including sludge by pumping out using mechanical equipment and transported by a vehicle of capacity 6000 Ltrs and removed outside MD land including cleaning off shrubs/bushes, vegetarian found around 5 Mtrs from external edge of septic tank and sludge chamber twice during the running period of contract all as specified and directed by Engineer in charge.

Cleaning of sewer line by mechanically by truck mounted sewage cleaning of sewage line water sludge tank with wash down system / suck derrick arm hydrualically spring loaded rotary sliding vane compressor with V hose end section no 33 nozzle and strainer all as specified and as directed by Engr-in-Charge. Note: Copy of vehicle entry and out duly defaced by Engr-in-Charge shall be produced for making payment.

Removing of sludge from oxidation ponds by means of machines and menpower incl cleaning of sorrounding, removing of shrubs and disposed out of MD landby adopting all safety measures, all as directed by Engr-in-charge. Note: The rates included for work under foul conditions, tools and plants,safety measures and lead.

Demolition of cement concrete (unreinforced)in in any description and in any position not otherwise specifically provided for including removing debries out side MD land all as specified and as directed.

Demolition of RCC man hole covers and similar works etc complete all as specified and as directed.

Demolition of brick work / PCC block masonry work built in cement mortar etc complete all as specified.

Excavation in trenches in hard/dense soil not exc 1.5 mtr wide and not exc 1.5 mtr in depth as in foundation, drain etc complete all as specified and as directed.

All as per item No 15 above but exc 1.5m upto 3.0m depth in trenches in hard/dense soil as in foundation, drain etc complete all as specified and as directed.

Returning filling in incl spreading levelling watering and well ramming in layers n.exc 25 cm in hard/dense soil.

Removing excavated soil to a distance n.exc 50m and depositing where directed at a level not exc 1.5 m above the the starting point.

Demolition and breaking up of 150 mm dia sewage/ drain pipe with bed concrete set in cement mortar including removing debries out side MD land all as specified and as directed.

Demolition and breaking up of 200 mm dia sewge/ drain pipe with bed concrete set in cement mortar including removing debries out side MD land all as specified and as directed.

M & L Reinforced concrete pipes, class NP3, of 200mm dia laid and jointed complete with collars all as specified and directed.

M & L Reinforced concrete pipes, class NP3, of 150mm dia laid and jointed complete with collars all as specified and directed.

M & L 150mm PVC (SWR) pipes 6 kg/Sqcm pressure rating single socketed in any length jointed by solvents tested all as specified and as directed.

M & L 150mm dia salt glazed stoneware drain pipe (SGSW) grade 'A' laid in trenches and jointed in CM 1:1 and tested all as specified and as directed

M & L Concrete bed to drain pipes including forming cradles in PCC 1:4:8 type D2 using 40 mm graded aggregate for PVC(SWR)/RCC pipes after they are laid and tested for 200mm dia bore pipe all as specified and as directed

M & L Concrete bed to drain pipes including forming cradles in PCC 1:4:8 type D2 using 40 mm graded aggregate for PVC(SWR)/RCC pipes after they are laid and tested for 150mm dia bore pipe all as specified and as directed

M&Lfor Cutting into existing manholes for connecting new drains by cutting out existing benching for and forming branch, channel (1/2 round or ¾ section) in cement concrete (1:2:4)type B-1 smooth finishing & making good to pipe as per existing by rendering & reforming benching as reqd for 150mm bore pipe complete all as specified and directed

M&L PCC (1:3:6) type C2 (using 40mm stone agg) as in foundation bed concrete etc complete.

M&L plain cement concrete (1:2:4) type B1 (using 20 mm graded stone agg) as in coping, beching of manholes and similar work etc complete.

Taking down cement plaster on brick or stone walls etc including raking out joints, hacking for key, scrubbing down with water etc. complete

M & L brick work with sub class 'B' bricks in Cm 1:6, straight or curved on plan exc 6 mtr mean radius, using old size bricks

M& for brick work with sub class 'B' bricks in Cm 1:6, straight or curved on plan exc 6 mtr mean radius, using old size bricks exept bricks(brcks will used by geeting from item no 14)

M&L for 15mm thick plaster on fair faces of brick work or concrete surfaces, finished even & smooth w/o using extra cement mixed WPC @3% of weight of cement in CM 1:4 complete all as specified and directed.

M&L for 15mm thick plaster on fair faces of brick work or concrete surfaces, finished even & smooth w/o using extra cement in CM 1:6 complete all as specified and directed.

Supply only Integral water proofing compound @ 3% weight of cement

M & L precast reinforced cement concrete 1:2:4 type B1 (using 20mm graded agg) as in cover slab for man hole set in CM 1:4

M & L TMT bar 10mm dia and over as in reinforcment, cut to length bend to shape including cranking and binding with mild steel wire (annealed) not less than 0.9mm dia

Cutting of existing road n.exc 30 cm depth and averaging 15 cm for sewage line amd making good the road cutting by cement concrete 1:2:4 type C1 complete all as specified.

M&L for hard core of gauge exc 63mm but n.exc 100mm deposited spread and levelled in layers n.exc 15cm thick, watered and rolled/ rammed to true surface

M&L PCC (1:4:8) type C2 using 40 mm graded crushed stone agg 75mm thick finished even and rough as sub base.

M&L for PCC 1:2:4 type B-1 100 mm thick using 20 mm graded stone agg as in foundation, filling and mass concrete.Finishing cement concrete surface even and smooth

Taking down PVC /CI pipes (SWR) pipes 110mm dia from fllor or walls

Taking down PVC /CI pipes (SWR) pipes 75mm diafrom floors or walls

S & F 110mm bore PVC SWR pipe single socketed in any length with rubber ring joint fixed to wall including clamps

S & F 110mm bore PVC SWR pipe single socketed in any length with rubber ring joint laid in trenches or floor

S & F 75mm bore PVC SWR pipe single socketed in any length with rubber ring joint fixed to wall including clamps

S & F 75mm bore PVC SWR pipe single socketed in any length with rubber ring joint laid in floor

S & F 75mm bore PVC (SWR) bends with access door

S & F 110mm bore PVC (SWR) bends with access door

S & F 110 bore PVC (SWR) vent cowl

S & F 75 bore PVC (SWR) vent cowl

S&F of heavy duty (MD-10) Cast iron Manhole cover as per IS 1726:1991 with frame (size 6000 mm x 600 mm/Round 500 to 600 mm dia) with chequered design (The rise of chequre shall not be less than 4 mm) with locking arrange ment and frame depth not less than 80 mm in repairs

GUPTA AND ENGINEERS

M/s Luxmi Constructions

M/s Vee Kay Associates