Public Health Engineering Department Tender

Constructing Brick Masonry Manhole in Cement Mortar 1 :4 (1 cement : 4 fine sand) R.C.C. top slab 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size), foundation concrete 1:4:8 mix (1cement : 4 coarse sand : 8 graded stone aggregate 40mm nominal size) inside plastering 12mm thick with cement mortar 1:3 (1cement : 3 fine sand) finished with a floating coat of neat cement and making channels in CC 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size) including finishing the channel to shape, curing etc. ( Excavation foot rest and external cement plaster shall be paid for separately) For one manhole upto 2650 mm deep with fixing of 560 mm dia CI cover & frame (medium duty) weight not less than (58+58) 116 kg. including transportation etc. in cement concrete 1:2:4 all complete. ( PHE USOR w.e.f.01.09.2023 It. No. 29.10.2P.No. 373)

Extra for depth for circular manholes over item Depth 2.65m to 4.25 m Meter ( PHE USOR w.e.f.01.09.2023 It. No. 29.11.1P.No. 374)

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) ( PHE USOR w.e.f.01.09.2023 It. No. 15.30.1.4 P.No. 260) For c:c road 03x{(1.50x1.50x0.25)-(1.00x1.00x0.25)}= 0.937

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 size heavy duty ( PHE USOR w.e.f.01.09.2023 It. No. 29.25.2 P.No. 3 )

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. ( PHE USOR w.e.f.01.09.2023 It. No. 15.12 P.No. 285)

Lifting & Placing of manhole cover during cleaning of chocked sewer line & manhole. (ii) SFRC 560 mm dia size ( PHE USOR wef. 01.09.2023 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 ( PHE USOR wef. 01.09.2023 It. No. 29.31.1. P.No. 378 ) (i) 100 mm Dia for connection

(ii) 200 mm dia for connection ( PHE USOR wef. 01.09.2023 It. No. 29.31.1.4 P.No. 378 )

(iii) 600 mm dia sewer line ( PHE USOR wef. 01.09.2023 It. No. 29.31.12 P.No.379 )

Extra for depth for circular manholes over item Depth 1.5m to 3.00 m Meter or part 600mm to 1000mm ( PHE USOR w.e.f.01.09.2023 It. No. 29.31.12.1P.No. 379)

Extra for depth for circular manholes over item Depth 1.5m to 3.00 m Meter or part 100mm to 300mm ( PHE USOR w.e.f.01.09.2023 It. No. 29.31.2.1P.No. 379)

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 ( PHE USOR wef. 01.09.2023 It. No. 29.32.1 P.No. 380 ) QT=25x0.785x1.50x1.50x0.70= 30.9

Extra for depth for circular manholes over item Depth 1.5m to 3.00 m Meter or part cum ( PHE USOR w.e.f.01.09.2023 It. No. 29.31.2P.No. 379)

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) ( PHE USOR wef. 01.09.2023 It. No. 29.33.9 P.No. 380 ) For 600 mm dia

Extra for depth for circular manholes over item Depth 1.5m to 3.00 m Meter or part cum ( PHE USOR w.e.f.01.09.2023 It. No. 29.33.9P.No. 380)

Carriage of desilted sludge & other material from sewage components by mechanical transport including loading unloading & stacking etc.Distance 2 Km.( PHE USOR wef. 01.09.2023 It. No. 29.35.1P.No. 383 ) Deduct 20 % air voides of 21.30