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 16.12 12 X 0.785(1.282-0.882) X 0.8= 6.51

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 16.28 (a) iii 12 X 0.785 X 0.864 X 1.10 = 8.952

12 mm thick cement plaster in single coat i/c finished even, smooth and curing complete in CM 1:3 item 16.29 (a)i 12 X (3.14 X 1.28 X 1.2 + 3.14 X 0.88 X 1.2) = 97.65, 8 X 3.14 X 1.28 X 1.6 = 51.44

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 16.23 (a) ii For cc road 12 X (1.6 X 1.6 X 0.3-0.785 X 0.882 X 0.3) = 7.032 12 X 0.785 (0.962-0.562) X 0.1= 0.572

Providing & fixing of ISI marked pre cast reinforced cement concrete manhole cover including frame and transporting at site, cost of all material etc.(i) 560 mm dia extra heavy duty item no 15.17.2

Replacement of ms footrest in main hole including dismantling concrete block and fixing 20 X20 X 10 cm C.C. block of 1:3:6 20 mm nominal size with 20 mm sq. bar footrest Item No. 15.13.1

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 item no 16.10(b) (18.32 + 38.936) X 0.8 =45.60

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, (B) 1.20 mtr. dia circular and 1.65 mtr. deep main hole. Item No. 15.12.7

Pumping out to removed the sewers blockage by using suitable pumps set operated by generators,whole assembly mounted on two/four wheel traler/pickup van.including diesel and labour charges etc. Item 15.14 PHE SOR 2018

Constructing Brick Masonry Circular Manhole 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 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 for separately ) item no 15.6.1

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 20 mm square bar foot rest item no. 15.8.1

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. compete for 100 to 200 mm dia pipes (PHE USor wef . 2018 item no15.9.1

(ii) 250 mm to 300 mm dia

Providing & fixing of ISI marked pre cast reinforced cement concrete manhole cover Without frame and transporting at site, cost of all material etc.(i) 560 mm dia extra heavy duty item no 15.18.5

Lifting & placing of manhole cover during cleaning of chocked sewer & manhole 1- SFRC 560 mm dia size (As per PHED USOR , I no.25.1 (ii), P No. 273

Making arrangement for dat (plugging of sewer) i/c all required material such as steel plate ,manila rope,gunny bags,earth etc.or by any other plugging device with all requirement T&P and safety equipment including dewatering . Depth upto 1.5 m (As per PHED USOR , I no.25.51 (iii), P No. 278, (i) 200 mm dia

(ii) 250 mm

(iii) 300 mm

(iv) 500 mm

Cleaning of silt ,sludge brickbats,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.i/c disposal of silt/sludge upto 50 m lead & 1.5m lift as directed by engineer in charge including dewatering but excluding dat (plugging of sewer pipe line) Depth upto 1.5 m (As per PHED USOR , I no.25.6, P No. 275 60 x 0.785x(1.20x1.20)x0.6 = 40.694

Cleaning of silt ,sludge brickbats,polythene bags,garbage etc.from chocked sewer lines with all required T&P such as bucket ,manila rope,and all required safety equipment such as safety belt,gas mask,oxygen cylinder etc.i/c disposal of silt/sludge upto 50 m lead & 1.5m lift as directed by engineer in charge including dewatering but excluding dat (plugging of sewer pipe line). For Depth upto 1.50 mm (As per PHED USOR, I no.25.7.1, (25.7.2) 200 mm dia

(ii) 250 mm dia

(iii) 300 mm

(iv) 500 mm

Carriage of desilted sludge & other material from sewage components by mechanical including loading unloading & stacking etc. Distance 5 km (PHE USOR 2018 Item No. 25.9) 80 % of 40.694 = 32.55