Tender For Vengurla Water Supply Scheme Tal- Vengurla, Estimate For Repairs Work Of Narayan Talav-Cutting trees on embankment bund earth on down stream side of Narayan tank as directed by Engineer- in -charge etc. complete. 2 Item No.2: Excavation for foundation / pipe trenches in earth, soils of all types, sand, gravel and soft murum, including removing the excavated material up to a distance of 50 metres and lifts as below, stacking and spreading as directed, normal dewatering, preparing the bed for foundation and excluding backfilling, etc. complete 3 Item No.3: Excavation for foundation / pipe trenches in hard rock and concrete road by chiseling, wedging, line drilling, by mechanical means or by all means other than blasting including trimming and leveling the bed, removing the excavated material up to a distance of 50 metres beyond the area and lifts as below, stacking as directed by Engineer-in-charge, normal dewatering, excluding backfilling, etc. complete by all means. 4 Item No.4: Providing and laying in situ following grades of Plain Cement concrete of trap/ granite/ quartzite/ gneiss metal for foundation and bedding including normal dewatering, form work, compaction and curing, etc, complete.P.C.C.1:2:4 (M-150) 5 Item No.5 : Providing and laying in situ Cement concrete of trap/granite/quartzite/ gneiss metal for RCC work in foundation like raft, grillage, strip foundation and footing of RCC columns and steel stanchions including normal dewatering, plywood form work, bully/steel propups, compaction, finishing and curing, etc, complete. (By weigh batching and mix design for M-250 and M-300 only. Use of L & T, A.C.C., Ambuja, Birla Gold, Manikgad, Rajashree, etc. cement is permitted.) (excluding M.S. or Tor reinforcement) 6 Item No.6 : Providing and casting in situ C.C. of trap/granite/quartzite/ gneiss metal of approved quality for RCC work as per detailed drawings and designs or as directed by Engineer-in-charge including normal dewatering, centering, plywood formwork, bully/steel prop-ups, compaction, finishing the formed surfaces with CM 1:3 of sufficient minimum thickness smooth and even surface wherever necessary or roughening if special finish is to be provided and curing, etc. complete. (By weigh batching and mix design for M-250 and M-300 only. Use of L&T, A.C. C., Ambuja, Birla Gold, Manikgad, Rajashree, etc. cement is permitted) (excluding M.S, or Tor reinforcement)A) For RCC M-300 gradeVertical Walls 7 Item No.7 :Providing and fixing in position steel bar reinforcement of various diameters for RCC piles, caps, footings, foundations, slabs, beams, columns, canopies, staircases. newels, chajjas, lintels, pardies, copings, fins, arches, etc. as per detailed designs, drawings and schedules; including cutting, bending, hooking the bars, binding with wires or tack welding and supporting as required, etc. complete.(including cost of binding wire).(Bd-F-17/306) 8 Item No.8 : Dewatering the excavated trenches and pools of water in the building trenches / pipe line trenches, well work by using pumps and other devices including diposing off water to safe distance as directed by Engineer-in-charge ( including cost of machinery, labour, fuel ) etc. complete. 9 Item No.9 : Providing & spreading the 50 mm thick sand below & above the geomembrane on entire area including the lead charges As per rate anlysis 10 Item No.10 : Provoding and laying HDPE Geo membrane sheet of following thickness 100 acid,alkali proof, 100reinforced sealing quality,every joints elecrtonically welded as per relevant IS specification and placing in proper position on prepared bed on foundation/embankment with welding the joints of sheet using hot sedge and exrusion welding techniques according to the liner manufactures specifications at ambient temperatures of 5 degree C to 45 degree C including etc. complete. 500 micron 11 Item No. 11 :-Desilting the Supply Well, Intake Well / Head Works,/ lake basin, sump of water supply/ sewerage works etc. in wet or dry condition including lifts up to 9.0 M and lead up to 150 M as required beyond the work site, stacking, spreading, including necessary guarding, etc. complete, as directed by Engineer-in-charge. 12 Item No.12 :Providing structural designs for R.C.C. structures as per the relevant IS codes taking approval from the authorities,getting designs checked from proof consultants approved by MJP or reputed NITs / IIT,s / Engineering Collage with complete drawings etc complete. 13 Item No.13 : Providing cut off trench filling using selected impervious soil from approved borrow areas (Private land-contractors own material ) including cost of all materials, machinery,labour,allother operations such as collection of soil, spreading soil in layerof specified thickness, sortingout, breakingclods, levelling, section ingedges/sides, watering, compacting each layer to densitycontrolofnotlessthan95%of Proctor density using vibratory compactor including cost of water etc.complete with lead up to1km for water and all lifts as directed. 14 Item No.14 : Filling in plinth and floors / trenches with contractors murum for bedding in 15 cm to 20 cm layers including watering and compaction, etc. complete. (Bd-A-11/263) 15 Item No.15:Providing and constructing 300 mm thick dry rubble stone pitching with pin header sat 2 per sqm using stone sand stone chips from approved source including cost of allmaterials, labour,machinary, handpacking/ wedging stone chips, finishingetc. ,complete with lead upto 1km and all lifts as directed.
