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) Item no 15.15 PHE SOR 2023 Page No. 258 12X0.785X0.864X0.9= 7.324

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. In Cement Mortar 1:4 Item 15.40.2 PHE SOR 2023 Page No. 262 12X0.785X0.864X1.2=9.766

12 mm thick cement plaster in single coat i/c finished even, smooth and curing complete in CM 1:3 Item 15.46.2 PHE SOR 2023 Page No. 262 12X3.14X1.28X1.2= 57.876 12X3.14X0.88X1.2= 39.789 Total= 97.665

Providing & laying mechanically mixed cement concrete 20mm nominal size graded crushed stone excluding cost of centering & shuttering. (a) In Plinth & foundation (b) 1:2:4 (M-15) Item 15.31.1.2 PHE SOR 2023 Page No. 260 12(1.60X1.60X0.3-0.785X0.88X0.88X0.3)= 7.027 12X0.785(0.96´-0.56)X0.10= 0.572 Total= 7.599

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 Item 29.21.1 PHE SOR 2023 Page No. 376

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. Extra heavy duty Item 29.25.2 PHE SOR 2023 Page No. 376

Filling available excavated earth in trenches, lead up to 50m and lift upto 1.5m in all kind of soil excluding watering and ramming. Item 15.12 PHE SOR 2023 Page No. 258

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. Extra for depth of manholes dismantling Manhole 1.20 m dia circular, and upto 1.65 m deep. Item 29.18.5 PHE SOR 2023 Page No. 376

Pumping out to remove the sewers blockages by using suitable pump sets operated by generators, whole assembly mounted on two/four wheels trailer /pickup van. Including diesel & labour charges etc. Item 29.22 PHE SOR 2023 Page No. 376

Constructing Brick Masonry Circular Man Hole 1200 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 upto 1650 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 sepradtely Item 29.12.1 PHE SOR 2023 Page No. 374

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. Item 29.14.1 PHE SOR 2023 Page 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 100 to 200 mm dia pipes Item 29.15.1 PHE SOR 2023 Page No. 375

Providing & fixing of ISI marked pre cast reinforced cement concrete manhole cover without frame and transporting at site, cost of all material etc. 560 mm dia. Extra heavy duty Item 29.26.2 PHE SOR 2023 Page No. 377

Providing & fixing of ISI marked pre cast reinforced cement concrete manhole cover without frame and transporting at site, cost of all material etc. 600 x 600 mm size extra heavy duty Item 29.26.10 PHE SOR 2023 Page No. 377

Lifting & placing of manhole cover during cleaning of chocked sewer line & manhole. 1. SFRC 560 mm dia size Item 29.27.2 PHE SOR 2023 Page No. 377

2. SFRC 600x600 mm size Item 29.27.6 PHE SOR 2023 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 upto 1.5 m 1) 150 mm dia Item 29.31.1.2 PHE SOR 2023 Page No. 378

2) 200 mm dia Item 29.31.1.3 PHE SOR 2023 Page No. 378

3) 300 mm dia Item 29.31.1.5 PHE SOR 2023 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-inCharge including dewatering but excluding dat(plugging of sewer pipe line) Depth up to 1.5 mtr Item 29.32.1 PHE SOR 2023 Page No. 380 60X0.785X1.2X1.2X0.7= 47.477 16X0.60X0.60X0.40= 2.304 Total = 49.781

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- Chargeincluding dewatering but excluding dat(plugging of sewer pipe line) 1) 150 mm dia Item 29.33.1 PHE SOR 2023 Page No. 380

2) 200 mm dia Item 29.33.2 PHE SOR 2023 Page No. 380

3) 300 mm dia Item 29.33.4 PHE SOR 2023 Page No. 381

Carriage of desilted sludge & other material from sewage components by mechanical transport including loading unloading & stacking etc Distance 10 km 49.781-20% of 49.781= 39.825 Item 29.35.6 PHE SOR 2023 Page No. 384