TTC Industrial Area M and R to UDDS Providing, laying and jointing 355 mm dia HDPE effluent collection line from Plot no.AM 7 2 to PAP-R -572 TO W-244 at Rabale.

Sub Estimate -1

Excavation in all types of soils (for sewerage works),such as Earth, Marine clay, Marshy land, Running sand, Garbage, Slush, Murum, Rock boulders etc as directed by the engineer. The rate includes dewatering, backfilling, removing the rank vegetation and removing the excavated materials within a lead of 150M as directed including levelling, ramming,etc complete, and measured from the edge of cutting including all lifts and stacking in layers and removing the surplus excavated materials as directed for lift upto 2M{Records to be maintained properly}.The rate also includes supporting public utilities such as cables,drains,pipe water mains, but shall not include the cost of shoring etc as specified and directed.1) The rate includes the handling/supporting the existing utilities such as cables, drains, pipes, water mains etc. 2) It also includes the royalty and other taxes if any.

Extra over above for item no. R3-SE-1-1 to R3-SE-1-1-i for relevant lift of excavation in hard rock and reinforced concrete by chiseling for sewerage works by manual operations, pneumatic breaker, hammer, driller, compressor breaker, etc. including ressing/trimming the sides, leveling of bottoms,

Dismantling the R.C.C. Work 1:2:4 and sorting out the materials such as steel etc. as directed and stacking them within the specified lead as directed etc. complete.

Filling in plinth and floors with contractors terial/ brought from outside and approved by Engineer incharge in layers of 15 cm to 20 cm including watering and compaction etc. complete.

Providing, Laying and Jointing HDPE pipes of PE-80 grade and PN-6 class with butt joints etc.complete as specified and directed.355mm dia (OD)

Providing and constructing RCC manhole chamber in cement concrete in 1:1.5:3 of specified size, 2.5 m deep as per detailed drawing and design including Tor steel reinforcement, form work, PCC, CI/RCC steps, curing, backfilling etc including all labour and material etc. complete.The item to include minimum 150 mm thick M-150 PCC over 230 mm thick rubble soling. The raft shall be of 300 mm thicknessand side walls shall be of 200 mm thickness all in M-25 grade RCC. The reinforcement shall be treated with approved polymeric compound and portland cement. The inner surface of chamber shall be painted with 2 coats of approved epoxy paint. RCC precast frame and cover EHD 35 t and HDPE puddle flanges in walls also shall be provided. All as per directions of Engineer-in-charge etc. complete. Main Chamber of Size 1.50m dia. X 2.50 m

Providing and laying Cast insitu/Ready Mix cement concrete M-25 of trap / granite/quartzite/ gneiss metal for R.C.C. work in foundations like raft, strip foundations, grillage and footings of R.C.C. columns and steel stanchions etc.including bailing out water, Steel centering, formwork ,cover blocks, laying/pumping, compaction and curing roughening the surface if special finish is to be provided (Excluding reinforcement and structural steel) etc. complete, with fully automatic micro processor based PLC with SCADA enabled reversible Drum Type mixer/ concrete Batch mix plant (Pan mixer) etc. complete. With fine aggregate (Crushed sand VSI Grade)

Providing and fixing in position TMT - FE - 500 bar reinforcement of various diameters for R.C.C. pile caps, footings, foundations, slabs, beams columns, canopies, staircase, newels, chajjas, lintels pardis, 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 complete.

Providing and applying Anti corrosive treatment to reinforcement as per cement polymer composite coating (C.P.C.C.) method developed by C.E.C.R.I. including cleaning the bar by means of any established mechanical or manual method for removing rust and deleterious material, applying rapid setting primer and cement polymer sealing coat of approved and licensed by CECRI including redoing the process if damage occurs during handling, stacking etc. complete. (With prior approval of SE)

Disposal of Excavated material for Lead 30 KM

Providing, Laying and Jointing of (OD) HDPE pipe (PN 6 Class-PE 80 grade: IS 14333) to correct grade and alingnment from 3m upto 5m depth including boring, Pilot inclined dilling from exisitng ground level upto required depth (invert level) on rig side of proposed gravity sewer line (i.e. entry side) and Final inclined boring from xisitng ground level upto required depth (invert level) or vicecversa on pipe side (i.e. exit side) of proposed gravity sewer line using Horizontal Directional Drilling method in any type of ground including soft soil, mixed ground and soft/hard rock. Length of gravity sewer line between inner faces of two consecutive proposed manholes will be considered for measurement.355 mm dia (OD),HDPE Pipe

Royalty

Royalty Chagres Contractor should quote the same rate for raoyalty charges given in tender text Schedule B as Rs. 216.18 per Cubic meter

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