17-Annual Rate Contract (ARC) for Repairing work of Sewerage manhole frame and All other Work of Sewerage line network at Various sites in Municipal Area Sumerpur

Supplying & fixing 560mm dia opening SFRC manhole frame &cover as per IS : 12592-2002 in existing manholes including groutingthe frame in PCC M-15 complete in all respect as directed by theEngineer HD-20

Dismantling of existing structures like culverts, bridges, retaining walls, CC road and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 50 metres as directed by Engineer.Lime Concrete, cement concrete grade M-10 (1:5:10) and below

Earth work in excavation in foundation, trenches etc. including dressing of sides and ramming of bottoms, including getting out the excavated material, refilling after laying pipe/ foundation and disposal of surplus excavated material at a lead upto 50m suitable site as per direction of Engineer for following depths, below natural ground / Road top In all types soils/ saturated soil such as moorum, sand, sandy silt,clay, black cotton soil, kankar, etc.4.10.1.1 Depth upto 1.5 m

Add extra for overall depth of excavation above 3.0 m and upto 4.5 m over item no 4.10.1.1

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - All work upto plinth level : 1:5:10 (1 cement : 5 fine/ coarse sand : 10 graded stone aggregate 40 mm nominal size)

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - 1:1½:3 (1 Cement : 1½ coarse sand : 3 graded stone aggregate 20 mm nominal size).

Providing at site, lowering & laying in trenches, aligning & jointing of RCC pipes NP4 class (with s/s ends) IS: 458 - 2003 (amended up to date) marked and pipes from 300 mm and upto 1800 mm manufactured through vertical / vibrated casting process at all depths with Rubber gaskets (EPDM/SBR) for sewer lines as per IS: 5382 (including cost of Rubber gaskets, lubricants) as per drawing, sectional hydro testing of the sewer pipe line (including cost and conveyance of water to site for testing) etc., complete as per specification and / or as directed by Engineer. Note : E/w to be measured and paid separately. Length of pipe shall be measured in between the outer wall of two manholes / Inspection chambers. Pipe in the manhole/inspection chamber’s wall shall deemed to be included in the item of manhole/inspection chamber shall not be payable 17.18.4 300 mm internal diameter

Providing and constructing of RR stone masonry circular manholes of "Type-A" with internal dia 0.90m and depth upto 1.65m having 300mm thick RR stone masonry wall in cement sand mortar 1:4, including concreting PCC M-10 grade (1:4:8) for 225mm thick foundation including curing compaction and form work etc complete, PCC M15 for benching and channel portion, RCC M20 for 200mm thick cover slab including reinforcement, PCC M20 for fixing the manhole frame and cover using stone aggregate 20mm nominal size, 20mm thick inside and outside plaster in C. M. 1:3, inside plaster finished with floating coat of neat cement, vata in CM1:1 around pipe entering and leaving the manhole and also at the junction of masonry and concrete slab, providing and fixing of SFRC foot steps of approved make at every 0.30m height fixed in CM 1:3, supplying and fixing heavy duty SFRC manhole frame and cover as per IS 12592 (Part I and II) having clear opening of 560mm, including refilling of Jhiri, including curing, watering, ramming, hydro testing of manhole, conveyance & cost of water, and dewatering complete as directed by the Engineer.Manhole "Type-A" of depth 0.90 m

Temporary bypassing of sewer including Plugging the mouth ofpipe/s inside sewer manhole using suitable plugging system andinstallation of bypass arrangement for bypassing the sewage flow,including, but not limited, to pumps, pipes, connections, couplings,electrical accessories, support traffic diversions arrangements etc.including desilting of manholes, disposal of debris as per the instructions of Engineer-in-Charge and keeping the manhole freefrom seepage and removal of bypass by de-plugging the mouth ofpipe inside sewer manhole and removal of by pass system andmaking the sewer system operational including all labour,Machinery, material, taxes etc. as per the specifications anddirections of the Engineer.For manholes of pipes upto 1200 mm dia