Tender For Construction Work For Laying Sewer Line In Laxman Rekha Colony Located In Ward No. 19 - Construction work for laying sewer line in Laxman Rekha Colony situated in Ward No. 19.Sl. No. Item Description1 Dismantling of flexible pavements and disposal of dismantledmaterials up to a lead of 50 metres as directed by Engineer.2 Bituminous courses3 Granular courses4 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 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 lead as per standard drawings), re-handling of material/earth to complete the task.In all types soils/ saturated soil such as moorum, sand, sandy silt, clay, black cotton soil, kankar, etc. Depth upto 1.5 m5 Add extra for over all depth of excavation above 1.5 m and upto 3.0 m6 Carriage of materials by mechanical transport of earthIncluding loading, unloadingand stacking with all lead. Earth 5KM7 Providing and fixing Barricading at site of work for restricting the general public using 40 mm dia M.S. pipe (B class) as vertical post with average spacing of 1.80 meter between two vertical posts, having height at least 1.5 m above road/ ground level and at least 30-45 cm below road/ ground level by making suitable size hole in road/ ground, providing and fixing two rows of 40 mm dia M.S. pipe (B class) as horizontal members with nuts & bolts. Both vertical and horizontal members shall be painted in red and white colorstrips as per approved pattern as when it becomes shabby but atM least after every alternate shifting at new location. After shifting removal of barricading holes shall be filled up properly and site is to be cleared in all respect. (Note: measurement is to be done in linear basis)8 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. r. 200 mm internal diameter9 Providing at site, lowering & laying in trenches, aligning & jointing of RCC pipes NP3 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 Engineer. 200 mm internal diameter10 Providing, fixing and constructing of pre-cast RCC M-40 gradecircular manholes with internal dia 1.2m and up to specified depthhaving pre-cast RCC M-40 grade circular manhole cover frame (ID0.56m, OD 0.92m), conical piece (top ID 0.56m, bottom ID 1.2m,vertical height 1.005m, wall thickness 125mm), and circular rings ofrequired heights (ID 1.2m, height 150/225/300/600/900mm, wallthickness 125mm) below conical piece as per required depth ofmanhole and having steel reinforcement in Conical piece @ not lessthan 80 kg per cum of concrete, including cast-in-situ PCC M-10grade (1:3:6) foundation of 1.825m dia and 150mm thickness, PCCM15 grade circular wall ID 1.125m, wall thickness 200mm, heightequal to ID of sewer pipe + one wall thickness of pipe + 50 mm (toflush the manhole frame with road top, height of wall can beincreased but not more than 100mm), PCC M15 grade benching andchannel portion and up to top level of sewer pipe etc complete withcuring compaction and form work, supplying and fixing heavy dutySFRC manhole cover as per IS 12592 (Part I and II), supplying andfixing plastic encapsulated CI/MS footsteps / SFRC footsteps,including cost of shuttering, steel reinforcement, testing for watertightness etc complete in all respect as per drawing, as perspecification and the direction of the Engineer. Note:- Excavation of earth work and road cutting for manhole will be measured and paidseparately.11 pre-cast RCC M-40 grade circular manhole conical piece with inbuiltcover and frame (height 1.005), cast-in-situ PCC M-10 gradefoundation, PCC M15 grade circular wall ID 1.125m, wall thickness200mm, wall height equal to ID of sewer pipe + one wall thickness ofpipe + 50 mm, PCC M15 grade benching and channel portion.Depth of manhole shall be measured from top of manhole coverupto lowest invert of pipe. (Depth includes in the item = height ofConical piece + ID of Sewer pipe + 1 Wall thickness of pipe +increased height of wall (if any) + 50mm) 12 Providing and fixing pre-cast RCC M-40 grade circular ring of ID 1.0m, wall thickness 125mm, height 150/225/300/600mm for Constructing extra depth of manhole beyond depth mentioned in item no-17.59.1 as per drawing.
