CLEANING MAINT OF SEWAGE LINES MANHOLES AND CONNECTED WORKS IN SECTOR A UNDER GE UTILITY AMBALA CANTT

Amount

Cleaning of under ground existing SGSW/RCC/HDPE pipe line of any dia and depth up to 1.50 mtr including manholes of any size working/running conditions involving removal of blockages of any kind of sewage lines and manholes by steel/bamboo rodding including desludging, descaling and dechoking of lines whereever required, flushing the entire stretch with water making the stretch clean and funtional. Removal & depositing any type of sludge/debries to excavated area, spreading necessary Insecticides where sludge is deposited all as specified and directed by Engr in-charge. (Note :- (All sludge/debried should be deposited in nearest pit & cover with earth & necessary disinfection be carried out OR Removing/depositing of sludge/debries not exc 500mtr beyond the periphery of defence land & covering the entire sludge & solids with local earth). Note-Contractor must have Super Sucker Machine and other appropriate machine with suitable staff.

Description all as per serial item No. 1.00 here-in-before but depth of line exc 1.50 m and n. exc 3.0m

Description all as per serial item No. 1.00 here-in-before but depth of line exc 3.0 m and above.

Cleaning of under ground existing SGSW/RCC/HDPE pipe line of any dia and depth exc 3.0 m and above including manholes of any size working/running conditions involving removal of blockages of any kind of sewage lines and manholes by means of mechanical cleaning including desludging, descaling and dechoking of lines whereever required, flushing the entire stretch with water making the stretch clean and funtional. Removal & depositing any type of sludge/debries to excavated area, spreading necessary Insecticides where sludge is deposited all as specified and directed by Engr in-charge. (Note :- (All sludge/debried should be deposited in nearest pit & cover with earth & necessary disinfection be carried out OR Removing/depositing of sludge/debries not exc 500mtr beyond the periphery of defence land & covering the entire sludge & solids with local earth). Note-Contractor must have Super Sucker Machine and other appropriate machine with suitable staff.

Dismantling of brick work or stone masonary, precast cement concrete walling built in cement mortar including all quoins, arches, pillars etc., complete all as specified.

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

Demolition of concrete of any description and in any position not otherwise specifically provided for cement concrete (reinforced) complete all as specified and as directed by Engineer-in-Charge. (Reinforcement cut as required to facilitate demolition)

Excavation in trenches not exc 1.5 m deep & not execeeding 1.5m wide for foundation etc or shaft, wells, cesspits, manholes, pier holes etc n.exc 10sqm on plan and n.exc 1.5mtr in depth and getting out in soft/loose soil complete all as specified and directed.

Desciption all as per serial item No. 8.00 above but 1.5m deep & not exc 3.00m deep

Excavating over areas, n exc 1.5 m deep and getting out in soft/loose soil all as specified and directed.

Description all as per item No 10.00 above but exc. 1.5 mtr and not exc.3.00 mtr deep.

Important Notes for Srl Item No. 8.00 to 11.00 : (i) Bailing and Pumping out of water where required during excavation shall be carried out as per clause 3.17 & 3.18 of SSR (Part-II) of 2009. (ii) Timbering, planking and strutting if required shall be carried out as per clause 3.24, 3.24.1 & 3.24.6 of SSr (Part-I) of 2009. (iii) The earth work shall be calculated based on the level register record duly signed by the contractor and Engr-in-Charge. (iv) Sand cushioning/lean conrete will be provided for stablizing of mud strata if required (iv) The rates quoted by contractor for Srl Item No. 8 to 11 shall deemed to be included for provisions described in note (i),( ii), (iii),(iv) mentioned above. Nothing extra shall be paid on this account.

Demolition & breaking up drain pipes (Salt glazed ware, AC or Reinforced concrete) set in CM including haunching and bedding complete Internal dia of pipe 150 mm complete all as specified and as directed by Engineer-in-Charge.

Demolition & breaking up drain pipes (Salt glazed ware, AC or Reinforced concrete) set in CM including haunching and bedding complete Internal dia of pipe 200 mm complete all as specified and as directed by Engineer-in-Charge.

M&L Concrete bed to 150mm dia drain pipes including packing under, & haunching against the sides of pipes after they are laid & tested in PCC (1:3:6) type C-1 ( using 20mm graded crushed stone aggregate) complete all as specified and as directed by Engineer-in-Charge.

M&L Concrete bed to 200mm dia drain pipes including packing under, & haunching against the sides of pipes after they are laid & tested in PCC (1:3:6) type C-1 ( using 20mm graded crushed stone aggregate) complete all as specified and as directed by Engineer-in-Charge.

M&L DWC(Double wall corrugated) HDPE pipes of size 150mm (Internal dia ) confirming to IS -16098 Part-II of strength/stiffness class SN 8 laid in trenches on conrete bed to level/gradient , jointing as per manufacturers instructions including jointing accessories as required complete all as specified as directed by Engr-In-Charge.

M&L DWC(Double wall corrugated) HDPE pipes of size 200mm (Internal dia ) confirming to IS -16098 Part-II of strength/stiffness class SN 8 laid in trenches on conrete bed to level/gradient , jointing as per manufacturers instructions including jointing accessories as required complete all as specified as directed by Engr-In-Charge.

Returning, filling in foundation/trenches including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick in soft loose soil complete all as specified and directed by Engineer-in-Charge.

Removing surplus excavated soil/materials to a distance not exceeding 100 Mtr and depositing where directed at a level not exceeding 1.5 Mtr from the starting point, complete all as specified and as directed by Engineer-in-Charge.

Cutting into existing manholes, for connecting new drain pipe/bend/Tee upto 150 mm bore pipe and making good to pipe or wall leak proof and rendering cutting out existing benching for and forming branch channels (1/2 round or 3/4 section) manholes and filling cut of walls by cement concrete (1:2:4) type B-1 using 20mm graded crushed stone aggregate smooth finish and reforming benching, complete all as specified and as directed.

Cutting into existing manholes, for connecting new drain pipe/bend/Tee of 200 mm bore pipe and making good to pipe or wall leak proof and rendering cutting out existing benching for and forming branch channels (1/2 round or 3/4 section) manholes and filling cut of walls by cement concrete (1:2:4) type B-1 (using 20mm graded crushed stone aggregate) smooth finish and reforming benching, complete all as specified and as directed.

M&L PCC in surface channels,benching in sewers,drains etc type B1 (1:2:4) using 20 mm graded crushed stone aggregate complete all as specified and directed by Engineer-in-Charge.

Extra for forming fair finished drain or channel 30 cm inner girth in cement concrete using extra cement including forms, moulds, mitred/ stopped ends etc complete all specified and directed.

Cleaning and removing of blockage from Manholes of any size and depth upto 2.0 metre incl removing the soil, roots or any other materials from the manholes working/running conditions and flushing the entire stretch with water making the stretch clean and funtional. Removal & depositing any type of sludge/debries to excavated area, spreading necessary Insecticides where sludge is deposited all as specified and directed by Engr in-charge.

M&L PCC (1:4:8) type D-2 (using 40mm graded crushed stone aggregate) as in foundation filling and mass concrete complete all as specified and directed by Engineer-in-Charge.

S&F mild steel TMT bars 8 to 10 mm dia cut to length, bent to shape required, including cranking bending spirally for hopping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9 mm dia or securing with clips complete all as specified.

Cutting existing road and supplying and laying ready premix carpet 30mm thick over WBM 100mm thick and hardcore complete and making good after laying of pipe complete all as specified and directed by Engr - in - Charge.

S&F Rolled mild steel Stairs (framed) including stringers, treades, landing, balusters, hand rails etc, including cleats,brackets, etc. complete GDE Fe410-0 or Fe 310-O

M&L Machine pressed precast concrete interlocking paver block (50% grey and 50% coloured) any shape and size confirming to IS 15658-2006 of 60 mm thickness, M-35 Grade with grey cement and pigment over and including 50 mm sand cushion all as directed.

Material and labour 75mm thick cement concrete 1:2:4 type B1 using 20mm graded stone aggregate as in floor, finishing cement concrete surface complete laid in alternate bays, making impressions of expended metal while the concrete is green all as specified and directed by Engr-in-charge..

M&L brick work with sub class ’B’ brick (For raising man holes)straight or curved on plan exceeding 6 mtr mean radius built in cement mortar 1 :4 complete all as specified and directed by Engr-in Charge.

M&L 15 mm thick rendering in cement mortar 1:4 with water proofing compound (2% by weight of cement) finished even and smooth without using extra cement on fair faces of brick work or concrete surfaces complete all as specified. (Note- WPC shall be measured and paid separetely)

Supply only water proofing compound.

M & L providing cement concrete (1:2:4) type B1 (20 mm crushed graded aggregate ) in lintels upto 1.5 m clear span , cills, steps; seimic and other similar bands , plinth courses, string courses, lacing courses, parapets and railing upto 60 cm in height, copings, benching, kneelers, apex stones, bed plates,water troughs and the like including weathering, slightly rounded or chamfered angles and throating, including necessary form work complete all as specified and directed.

M&L pre-cast cement concrete 1:3:6 type C1 (using 20mm graded aggregate) as in man hole cover, with plain fair faces including chamfers, weathering throttling etc and set in cement mortor (1:4) complete with joint to match in cl necessary form work complete all as specified and as directed by Engr-in-Charge

Note :- Amount of credit of Rs. 16850.00 for retrieved materials is mentioned in Schedule of Credit(Reviesd) mentioned in tender documents in pdf form which will be deducted offline while acceptance of tender.

Puneet Sharma

M/s GURFATEH BUILDERS