Tender For Operation And Maintenance Of Existing Sewer Network By Mechnically For One Year In Pushkar - 1 Earth work for Sewer line and Manhole in excavation in foundation, trenches manholes, road side chambers 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 level including allowances for any additional excavation beyond the drawings (measurement for payment to be as per standard drawings), re-handling of material/earth to complete the task. In all types soils/ saturated soil such as moorum, sad, sandy silt, clay, black cotton soil, kankar, etc. Depth upto 1.5 m 2 Add extra for over all depth of excavation above 1.5 m and upto 3.0 m over item no 17.1.1.1 3 Add extra for over all depth of excavation above 3.0 m and upto 4.5 m over item no 17.1.1.1 4 Add extra over item no 17.1.1, 17.1.2, 17.1.3 and 17.1.4 in RUIDP SOR for excavation in saturated soil, silt, rock and sludge where pumping or bailing out of water including well point if required for sewer line and manhole. Carriage of Materials by mechanical transport including loading, unloading and stacking : Earth 5 KM 5 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 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 Engineer300 mm internal diameter 6 Providing, lowering, laying, aligning, fixing in position and jointing at all level/ depths full round HDPE DWC (double wall corrugated) pipes of SN8 grade as per IS 16098 (Part 2) amended upto date in trenches in complete including all material, labour, sectional hydro testing (including the cost and conveyance of water to site for testing) and commissioning as per Technical Specifications, drawings and as per direction of Engineer. 200 mm ID 7 Providing granular bedding having width = outer dia of pipe (Bc) + 500mm, thickness below pipe = 0.25Bc or 100mm (whichever is higher) and haunching = 0.5Bc, with graded hard crusher broken stone of 100% passing through 20mm sheive, 20 to 50 % passing through 10mm sheive and 100 % retain on 6.3mm sheive, laying in layers of thickness 10/15cm including ramming, consolidation etc complete for all type of pipes of following sizes as per drawing and or as directed by Engineer. 200 mm internal diameter 8 300 mm internal diameter 9 Providing at site, lowering & laying in trenches, aligning & jointing of PVC-U pipes (SN 8) as per IS 15328 (amended up to date) and as per specifications with rubber rings with socket and spigot joint, (EPDM/SBR) for all depths for pipe length as per drawing and specification including hydraulic field testing (including the cost and conveyance of water to site for testing) and commissioning etc complete as directed by Engineer. 110 mm Nominal Dia 10 160 mm Nominal Dia 11 Providing and fixing pre-cast RCC M-40 grade circular ring of ID 1.0m, wall thickness 125mm, height 150 / 300 mm for constructing extra depth of manhole for depth beyond 1.055m as per drawing. 12 Constructing providing and fixing of pre-cast RCC M-40 grade circular Road Side Inspection Chamber including earthwork using sulphate resistant cement with following dia and depth cylindrical piece with 100mm wall thickness, 100mm base slab, inbuilt cover & frame on top, provision for 110mm OD in and out sewer connection with making proper in built benching and channel with PCC M-15 grade including providing cast-in-situ 100mm thick foundation of PCC M-10 grade, supplying and fixing circular precast SFRC Circular 300 mm dia manhole cover with frame - M.D. - 10, including steel reinforcement minimum @ 80kg/cum, testing for water tightness complete in all respect as per drawing, specification and the direction of the Engineer. Pre-cast Road side inspection chamber of 300mm dia (internal), 450mm depth and 600mm dia base foundation 13 Pre-cast Road side inspection chamber of 450mm dia (internal), 600mm depth and 750mm dia base foundation 14 Raising circular manhole with circular cover 560mm dia and frame slab to required level including dismantling existing slab, taking out the existing CI frame & cover of manhole and raising it upto ground/ road level, refixing of frame and cover in M15 (1:2:4) concrete all around the frame, including making good the damage, form work, curing, complete as directed by Engineer. 15 Raising precast circular manhole cover and frame by taking out existing precast frame and cover, providing and fixing precast SFRC circular spacer of height 100/125/150mm, re-fixing existing manhole cover frame and cover with cement sand mortar (1:3), including making good the damage, complete as directed by Engineer. 16 Supplying & fixing 560mm dia SFRC manhole frame & cover as per IS : 12592-2002 in existing manholes including grouting the frame inPCC M-15 complete in all respect as directed by the Engineer. 17 Supplying & fixing 560mm dia SFRC manhole cover as per IS : 12592-2002 in existing manholes frame complete in all respect as directed by the Engineer.HD-20 18 Dismantling of cement concrete pavement for sewer line and manholes by mechanical means using pneumatic tools, cutting the peripheral edge by CC cutter, breaking to pieces not exceeding 0.02 cum in volume and stock piling at designated locations and disposal of dismantled materials up to a lead of 1000 metres including allowances for any additional dismantling beyond the drawings(measurement for payment to be as per standard drawings), rehandling of material/earth to complete the task. 19 Dismantling of flexible pavements for sewer line and manholes and disposal of dismantled materials up to a lead of 50 metres as directed by Engineer including allowances for any additional dismantling beyond the drawings (measurement for payment to be as per standard drawings), re-handling of material/earth to complete the task. Bituminous courses 20 Granular courses 21 Providing and laying in position cement concrete of specified grade over prepared base course complete including finishing, curing, all material, labour, machinery, lighting, guarding for road restoration under sewer line and manhole work including allowances for any additional road restoration beyond the drawings (measurement for payment to be as per standard drawings) to complete the task. 1:1½:3 (1 Cement : 1½ coarse sand : 3 graded stone aggregate 20 mm nominal size). 22 Providing laying, spreading and compacting stone aggregates of specific sizes as per Table 400-7 to Water Bound Macadam specification including spreading in uniform thickness; hand packing, rolling with power roller 8-10 tonnes, in stages to proper grade and camber, applying and brooming requisite type of screening (Table 400-8) binding materials to fill up the interstices of coarse aggregates, watering (with water browser) and compacting to required density, making necessary earthen bund to protect edges as per clause 404 of MoRT&H specification including all material, labour, machinery, lighting, guarding and maintenance of diversion under sewer line and manhole work complete including allowances for any additional road restoration beyond the drawings (measurement for payment to be as per standard drawings) to complete the task. Crusher broken - Grade-III (53-22.4mm) 23 Operation & maintenance of sewerage collection & conveyancesystem (RCC/ HDPE/HDPE DWC pipes) from consumer point to STP complete. (line between property chamber and sewer manhole will not be measured for payment purpose). 24 Raising circular inspection chamber with circular cover 450mm dia and frame slab to required level including dismantling existing slab, taking out the existing CI frame & cover of inspection chamber and raising it upto ground/ road level, refixing of frame and cover in M15 (1:2:4) concrete all around the frame, including making good the damage, form work, curing, complete as directed by Engineer. (Brick/ concrete work of raising depth of manhole to be paid separately) 25 Lowering of circular inspection chamber with circular cover 450mm dia and frame slab to required level including dismantling existing slab and inspection chamber wall, taking out the existing CI frame & cover of inspection chamber and lowering it upto ground/ road level, refixing of frame and cover in M15 (1:2:4) concrete all around the frame, including making good the damage, form work, curing, complete as directed by Engineer. (Dismantling of brick/ concrete work depth of manhole to be paid separately) 26 Lowering of circular brick / RR stone masonry manhole with circular opening 560mm dia and frame slab to required level including dismantling existing slab and manhole wall, taking out the existing CI frame & cover of manhole and lowering it upto ground/ road level, refixing of frame and cover in M15 (1:2:4) concrete all around the frame, including making good the damage, form work, curing, complete as directed by Engineer. (Dismantling of brick work / RR stone work depth of manhole to be paid separately) 27 Providing, fixing of Plastic HDPE Circular Inspection Chamber made from 100% virgin UV Stabilized special rotomoulding grade Polyethylene (PE) material having internal diameter of 600mm, shall provide access for cleaning and inspection, to be used in buried sewers for gravity system. Chamber shall be made as per EN 13598-1 for use in non- pressure underground sewerage system. It shall be used for receiving / connecting solid wall plain surface (PVC, uPVC, HDPE) or structured wall corrugated DWC) pipes or CI/FRP/CLAY/PP/RCC, etc. by use of appropriate transition adaptors; and/or for changing the direction of drainage / sewerage runs. Chamber shall have a base and riser shaft of internal diameter 600mm. Chambers shall be provided with arrangement for 4 nos. connections at the base and shall be designed to receive / connect various diameter pipes. Chamber shaft also shall be designed to receive / connect anywhere at the shaft level. Chamber base / shaft shall receive maximum of pipe having OD of 315mm. Chamber shall have integrated base benching. The riser shaft outside shall be reinforced with horizontal and vertical ribs of minimum 20mm thick and a projection of 40mm to enhance the products resistance to compression and anchoring in the soil. These ribs shall provide liftretention system in case of ground water. Chamber shall be placed on PCC M-10 grade (1:4:8) 150mm thick, 800mm dia foundation, etc. complete with curing, compaction and form work, supplying and fixing heavy duty SFRC manhole cover as per IS 12592 (Part I and II) complete in all respect including testing for water tightness (including the cost of RCC load distribution ring and SFRC manhole frame and cover) as per specification and the direction of the Engineer. {Note: Excavation of earth work, road cutting and noncohesive backfilling material (quarry dust / rock sand, etc., depending on native soil condition)}, compaction, etc. for manhole will be measured and paid separately). HDPE Road side inspection chamber of 500 mm depth 28 Providing and laying in position cement concrete of specified gradeexcluding the cost of centring and shuttering - All work upto plinth level : 1:3:6 (1 Cement : 3 fine/ coarse sand : 6 graded stone aggregate 40 mm nominal size). 29 Providing granular bedding having width = outer dia of pipe (Bc) + 500mm, thickness below pipe = 0.25Bc or 100mm (whichever is higher) and haunching = 0.5Bc, with graded hard crusher broken stone of 100% passing through 20mm sheive, 20 to 50 % passing through 10mm sheive and 100 % retain on 6.3mm sheive, laying in layers of thickness 10/15cm including ramming, consolidation etc complete for PVC/HDPE pipes of following sizes as per drawing and or as directed by Engineer. 150 mm Internal Dia 30 Circular shape 450 mm dia precast R.C.C. manhole cover with frame - L.D. - 2.5 31 Construction of House Sewer Connection inside and outside of a dwelling properties to connect all the outlets of Kitchen, Bath, toilet/WC of the property to existingnspection chamber of Sewer Network, which includes Door-to-door survey of all properties to be connected with Sewer Network, Preparation of sketch / drawing of arrangement for each house with all the details and obtain approval from Engineer In charge or his representative and Preparation of as built drawing (Layout plan) in AutoCAD for each property / dwelling connection with sewer network up to manhole. Including Dismantling of all type of flooring and roads, i.e. BT/ CC/WMM/ interlocking block etc with mechanical cutter. Including Required Excavation of pipe trench/chamber in all type of strata of specified width up to all depth, Providing, laying, jointing and aligning of PVC-U pipes (SN-8) as per 15328 (amended up to date) / HDPE DWC (double wall corrugated) pipes of SN-8 grade as per IS 16098 (amended up to date) with required PVC/ DWC fittings with required level & location in buried position over bedding of 50 mm thick M-10 grade and in open position above ground/floor with an encasing of pipe 50 mm cover at 3 sides with M10 grade concrete, Providing, laying, jointing and aligning 160 mm dia PVC-U pipes (SN-8) as per IS15328 (Amended up to date) providing as sleeve to 110 mm dia PVC-U pipes / HDPE DWC (double wall corrugated) pipes (exposed to atmosphere) for crossing open drains, demolishing, If required and reconstruction of drain in original position with PCC M-10, Brick work with modular extruded burnt fly ash clay sewer bricks (Conforming to IS: 4885 - 1988) in CM 1:4, 12 mm thick plaster in CM 1:3 and Construction of 2 Nos brick masonry chamber of bricks class designation 75 of 115 mm wall thickness in cement mortar 1:4, clear inside dimension 320 x 320 x 550 mm, 50 mm thick base PCC 1:3:6, providing & fixing 350 x 350 mm RCC precast cover with frame of LD-2.5, earth filling in gaps, finishing with PCC 1:3:6 inside the chamber, Chamber-1 with square mouth S.W. gulley trap P-type of size 100 x 100 mm as per IS 651: 1992 (amended up to date) with CI grating, in slope around the mouth of Gulley Trap including provision for fixing of 2 nos. 110 mm dia PVC-U pipe etc. to connect a single inlet after connecting all the outlets of kitchen & bath & outlet of this chamber will connect to Chamber-2 or inspection chamber and the Chamber-2 with a provision for fixing of 2 nos. 110 mm dia PVC-U pipe etc. i.e. a single inlet after connecting all outlets of toilet & WC of premises to exiting Inspection chamber, Emptying of septic tank/soakage well etc. disposing of sludge within a lead of 5 Km and taking out the sewage, Bypass of septic tank/soakage ell by providing, laying, jointing of 110 mm dia PVC-U pipes or all length from inlet to outlet, including PVC coupler, MS clamp and dismantling, repairing, making good the holes etc, Making connection with 110 mm dia PVC-U pipe with exiting inspection chamber (including making holes in Inspection Chamber) for pipes coming out from inside property and Chamber 1/2, making and repairing holes with CM in 1:4, repairing of floor and road with CC M- 30 grade same as original thickness of floor and road, watering, backfilling, compaction and disposal of all surplus material and sewage etc. to a suitable location with all lead and lift, repairing of underground utilities, if damaged, Complete job to connect a dwelling premises to sewer network including all material, labour, taxes, charges etc. as per Specifications, drawing and directions of Engineer In chargeLength up to 5 m 32 Length more than 5 m and upto 10 m 33 Length more than 10 m and upto 15 m
