125/02.12.2025

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 1.5 mtr (PHEUSOR Item No. 29.32.1 P. No. 380) (A) For Collection chamber 6 Timesx2.00x2.00x1.25 =30Cum (B) For PTU / Grit chamber 6 Timesx7.00x1.70x1.65 = 117.81 Cum (C) For Wet Well 6 Timesx11.83x1.75 = 124.22 Cum 3.14x3.842 - [ (7.68+7.03) ]x1.54 = 11.83Sqm 2 2 (30+117.81+124.22) Total Qty.272.03 Cum

Extra rate for Depth 1.50 mtr to 3.0 mtr or part Qty for PTU/Grit Chamber =114.24 Cum (PHEUSOR Item No. 29.32.2 P. No. 380)

Extra rate for Depth 3.00 mtr to 4.50 mtr or part Qty for PTU/Grit Chamber=78.54cum (PHEUSOR Item No. 29.32.3 P. No. 380)

Extra rate for Depth 1.50 mtr to 3.0 mtr or part Qty for Wet Well =124.22Cum (PHEUSOR Item No. 29.32.2 P. No. 380)

Extra rate for Depth 3.00 mtr to 4.50 mtr or part Qty for Wet Well=124.22cum (PHEUSOR Item No. 29.32.3 P. No. 380)

Extra rate for Depth 4.50 mtr to 6.0 mtr or Part Qty fro Wet Well=124.22cum (PHEUSOR Item No. 29.32.4 P. No. 380)

Extra rate for Depth 6.00 mtr to 7.50 mtr or part Qty for Wet Well=124.22cum (PHEUSOR Item No. 29.32.5 P. No. 380)

Extra rate for Depth 7.50 mtr to 9.0 mtr or Part Qty fro Wet Well=124.22cum (PHEUSOR Item No. 29.32.6 P. No. 380)

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 ( It. No. 29.31.1.3 P.No. 378 ) (i) (29.31.1.3) 200 mm dia (connection)

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 ( It. No. 29.31.5.1 P.No. 379 ) (i) (29.31.1.3) 2350 mm dia (connection)

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 P.No. 380 ) 25x0.785x1.20x1.20x0.75=21.20

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 P.No. 381) (29.33.2) 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 P.No. 381) (29.33.2) 350 mm dia

Carriage of desilted sludge & other material from sewage components by mechanical transport including loading unloading & stacking etc. (Ist amended PHE USOR w.e.f 16.08.2024 Item No. 29.35 P. No. 03) From MLB S.P.H. to Dumping yard (i) Distance upto 20 km from MLB SPH Total Qty. =30.00+117.81+124.22+16.96 =288.99 cum, Deduction 20% for air voids (-)