Public Health Engineering Department Tender

Demolishing Brick work in lime or cement mortar in any mix including stacking of serviceable material and disposal of unserviceable material with in 50 meter lead as per direction of engineer-in-charge. ( In cement mortar ) ( It. No. 15.15 P.No. 258 ) 20x0.785x[((1.60+1.10)/2)²-((1.20+0.70)/2)²]x0.60= 8.67

Brick work with well burnt chimney bricks having crushing strength not less than 25 kg/cm² and water absorption not more than 20 % in foundation & plinth i/c curing etc. complete. (ii) in cement mortar 1:4 ( It. No. 15.40.2 P.No. 262 ) 20x0.785x[((1.60+1.10)/2)²-((1.20+0.70)/2)²]x1.00= 14.44

Replacement of M.S. Foot rests in manhole including dismantling concrete block and fixing with 20x20x10 cm C.C. blocks of 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20mm nominal size) With 20mm square bar foot rest ( It. No. 29.21.1 P.No. 376)

12 mm thick cement plaster in single coat finished smooth and curing including cost of form work complete. (i) in cement mortar 1:3 ( It. No. 15.46.1 P.No.263) 20x3.14x(1.60+1.10/2)x1.00 = 84.78 20x3.14x(1.20+0.70/2)x1.00 = 59.66 Total 144.44

Providing & fixing of ISI marked pre cast reinforced cement concrete manhole cover including frame and transporting at site, cost of all material etc. 560 mm dia heavy duty. ( It. No.29.25.5, PHE 1st amended SOR w.e.f 16.08.2024)

Filling available excavated earth in trenches, lead up to 50m and lift up to 1.5m in all kind of soil excluding watering and ramming. ( It. No.15.12 P.No. 258 )

Providing and laying mechanically mixed cement concrete with crushed stone aggregate excluding centering and shuttering (with 20mm nominal size graded stone aggregate) (a) In plinth and foundation (ii) 1:2:4 (M-15) (It. No. 15.31.1.2 P.No. 260 ) For c:c road 20x{(1.60x1.60x0.25)-(0.785x0.85²x0.25)}= 9.96 + 6x{(2.10x2.10x0.25)-(0.785x0.85²x0.25)}=5.76+ for coping 20x0.785x(1.10²-0.85²)x0.05=0.38 Total 16.10

Dismantling of manhole including R.C.C./C.C. top slab, CI / pre cast RCC cover with frame including stacking of useful materials near the site and disposal of unserviceable materials into municipal dumps within 50 m lead. Manhole 1.50 m dia circular, and 2.65 m deep ( It. No. 29.19.5 page no. 376)

Pumping out to removed the sewers blockage by using suitable pump sets operated by generators , whole assembly mounted on two/four wheels trailer / pickup van. Including diesel & labour charges etc. ( It. No. 29.22 P.No. 376 )

Constructing Brick Masonry Circular Man Hole 1500 mm internal dia at bottom & 560 mm dia at top in cement Mortar 1:4 (1 cement: 4 fine sand), inside Cement plaster 12 mm thick with cement mortar 1:3 (1 cement : 3 fine sand) finished with a floating coat of neat cement, foundation concrete 20 cm thick in 1:3:6 ( 1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size ) and making channels in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size) finished with a floating coat of neat cement etc. all complete. For one manhole 2650 mm deep with fixing of 560 mm dia ISI marked reinforcement cement concrete cover & frame heavy duty including transportation etc. in cement concrete 1:2:4 all complete. ( Excavation, foot rests & cement plaster at the external surface shall be paid for separately ) ( It. No.29.10.1, PHE 1st amended SOR w.e.f 16.08.2024)

Providing MS foot rests i/c fixing in manhole with 20x20x10cm CC blocks of 1:3:6 (1 cement:3 coarse sand : 6 graded stone aggregate 20mm nominal size ) With 20mm square bar foot rest ( It. No. 29.14.1page no. 374)

Making connection of drain or sewer line with existing service lines Manhole including breaking into and making good the walls, floors etc. with cement concrete 1 :2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size), cement plastered with CM 1:3 (1 cement : 3 coarse sand) finished with a floating coat of neat cement and making necessary channels etc. complete. For 350 to 450 mm dia pipes ( It. No.29.15.2 page no. 375)

Lifting & Placing of manhole cover during cleaning of chocked sewer line & manhole. (ii) SFRC 560 mm dia size ( It. No. 29.27.2 P.No. 377 )

Making arrangement for dat (plugging of sewer) including all required material such as steel plate, manila rope, gunny bags, earth etc. or by and other plugging device with all required T & P and safety equipment including dewatering. Depth up to 1.5 m (i)200 mm dia (connection)( It. No. 29.31.1.3 page no.378 )

Making arrangement for dat (plugging of sewer) including all required material such as steel plate, manila rope, gunny bags, earth etc. or by and other plugging device with all required T & P and safety equipment including dewatering. Depth up to 1.5 m(i) 300 mm dia (connection)( It. No. 29.31.1.5 page no.378 )

Cleaning of Silt, sludge brick bats, polythene bags, garbage etc. from chocked sewer manholes / sewer drains & Nallahs/ wet well of SPH/ Anaerobic & Facultative Pond of STP with all required T&P such as bucket, manila rope, and all required safety equipment such as safety belt, gas mask, oxygen cylinder etc. including disposal of silt/ sludge upto 50 mtr lead & 1.5 mtr. lift as directed by Engineer-in-Charge including dewatering but excluding dat (plugging of sewer pipe line) Depth up to 1.50 m ( It. No. 29.32.1 P.No. 380 ) 78x0.785x1.20x1.20x0.75=66.13

Cleaning of Silt, sludge brick bats, polythene bags, garbage etc. from chocked sewer line with all required T&P and Safety equipment such as bucket, manila rope, safety belt, gas mask, oxygen cylinder etc. including disposal of silt, sludge upto 50m lead & lift up to 1.5mtr. as directed by Engineer-in- Charge including dewatering but excluding dat (plugging of sewer pipe line)(it no. 29.33.2 page no.380) 200 mm dia

Cleaning of Silt, sludge brick bats, polythene bags, garbage etc. from chocked sewer line with all required T&P and Safety equipment such as bucket, manila rope, safety belt, gas mask, oxygen cylinder etc. including disposal of silt, sludge upto 50m lead & lift up to 1.5mtr. as directed by Engineer-in- Charge including dewatering but excluding dat (plugging of sewer pipe line)(it no. 29.33.4 page no. 381)300 mm dia

Carriage of desilted sludge & other material from sewage components by mechanical transport including loading unloading & stacking etc. Distance 2 Km. (It. No. 29.35 PHE 1st amended SOR w.e.f 16.08.2024) ) (-) 20% of 66.13 for air voids = 13.23