CONTRACT FOR CONSTRUCTION OF RCC CULVERTS AND RCC CHAMBERS IN AMMONIA, UREA, ETP PLANT AREA, CENTRAL WORKSHOP AND WTP AT RCF THAL

Earthwork in excavation by Manual means / Mechanical means (Hydraulic Excavator) in foundations of buildings, footings, columns, plinth beams, walls machine / equipment foundations isolated pits, pavements, trenches for pipelines / cables, pipe sleepers, drains etc., to the required levels and grades in both dry and wet conditions including dewatering, ramming of bottoms, getting out including dressing of sides and excavated earth with lift up to 3.0 M and disposal of surplus excavated materials within a lead of 100 M including stacking, leveling and dressing after necessary backfilling etc., complete as per direction of Engineer-in-charge in all kinds of soils, sand, gravel murrum, bouldersect. including providing temporary supports to all service lines such as overhead and underground water sewage and drain pipes, cables etc and shoring and strutting,existing drain diversion and its dewatering as directed by EIC( with no extra cost to RCF) wherever necessary, complete in all respects as per direction of Engineer- in Charge

Providing dry trap rubble stone soling 15 to 20 cm. thick including filling the voids, hand packing, watered & compacting etc. complete in all respects as per direction of Engineer- in Charge. (including supplying of rubble stone).

Providing Uncoursed Rubble Masonry Of Trap / Granite / Quartzite / Gneiss Stones In Cement Mortar 1:6 In Foundation And Plinth Of Inner Walls / In Plinth Of External Walls Including Bailing Out Water Manually, Striking Joints On Unexposed Faces And Watering Etc. Complete.

Dismantling carefully the existing/ damaged structure of brick/block/stone masonry in cement or lime mortar with all leads & lifts, including sorting out serviceable materials and stacking the dismantled material neatly including necessary scaffolding & disposal of debris up to 100 m lead with in the factory premises as directed by EIC.

Dismantling carefully the existing/ damaged structure of PCC, RCC,hard stone with including sorting out serviceable materials and stacking the dismantled material neatly including necessary scaffolding & disposal of debris with in the factory premises with lift up to 1.5 m and up to 100 m lead within factory premises.

Providing cement plaster 12 to 15 mm thick in a single coat, in cement mortar 1:4 without neeru finish to internal / external surfaces of concrete or brick surface in all position including racking out joints, scaffolding and curing etc. complete.

Providing and constructing brick masonry work in 2nd. class bricks in foundation plinth and super structure using cement mortar of proportion 1:6 (cement: Sand) including bailing out water scaaffolding work, raking out joints, watering, cleaning and soaking the bricks at least for 24 hours before use , curing etc. for 7 days etc. all complete at all heights / depth. Curing etc. complete as specified and as directed.

Providing flush grooved pointing for stone masonry in cement mortar-1:3. at all positions including scaffolding as directed.

Removal and carriage of surplus debris, earth, dismantled materials etc., from the site of work upto the scrap yard of RCF Factory upto 3 km beyond the initial lead of 100 m and spreading and leveling the same in layers not exceeding 20 cm thickness including loading and unloading as per the direction of engineer-in- charge.

Providing and laying plain cement concrete machine/manually mixed & compacted using 20/40 mm nominal size graded coarse aggregate excluding cost of centering and shuttering & curing in pavements, plinth, under floors and at all heights in proportion-M-10

Providing And Laying Ready Mix Cement Concrete M-30 Of Trap / Granite/Quartzite/ Gneiss Metal For R.C.C. Work In Foundations Like Raft And Footings As Per Detailed Drawing Or As Directed Including Leakproof Formwork, Cover Blocks Laying/Pumping, Compaction, Curing Etc. Complete. Minimum Cement Content Considered In This Item Is 400kg/Cum. The Rate Shall Include Cost Of All Specified Materials And Operations At All Levels And Heights, Including The Cost Of Centering, Shuttering But Excluding Reinforcement Steel Which Shall Be Paid Under Relevant Item.

Providing And Laying Ready Mix Cement Concrete M-30 Of Trap / Granite/Quartzite/ Gneiss Metal For R.C.C. Work In Walls (Any Thickness) As Per Detailed Drawing Or As Directed Including Leakproof Formwork, Cover Blocks Laying/Pumping, Compaction, Curing Etc. Complete. Minimum Cement Content Considered In This Item Is 400 Kg/Cum. The Rate Shall Include Cost Of All Specified Materials And Operations At All Levels And Heights, Including The Cost Of Centering, Shuttering But Excluding Reinforcement Steel Which Shall Be Paid Under Relevant Item.

Supply, cut, bend and fix in position High Yield strength Deformed bars of Fe-500D grade for all diameters confirming to IS 1786, including tying with binding wire (16 SWG Annealed wire) or welding, tested steel reinforcement for all reinforced concrete at all locations and levels, including transporting, handling etc. complete.No separate payment for chairs, laps, wastage and binding wire will be made (SAIL, TISCON, TATA,JINDAL brands only).

Providing and Fabricating structural steel work in rolled sections joists, channels, angles, tees, plates etc. for kerb angles,nosing angles bottom bracings and nut-bolts for columns/beams etc. as per detailed design and drawings or as directed by EIC cutting, fabricating, hoisting, erecting, fixing in position making riveted/bolted/welded connections with connecting plates, braces etc., including one coat of red-oxide primer and over it two coats of enamal painting of approved quality and shade etc. complete. (of make TATA/SAIL/RINL/JSW only or as approved by EIC )

Providing and painting surfaces with two coats of coal tar epoxy paint of approved quality on and around foundations,pardi complete in all respects as per direction of Engineer-in-Charge.

Supplying, fabricating & erecting in position bolted and/or welded Hot dipped galvanised grating in walkways, platforms, etc (fabricated as per approved drawing) made out of contractors own MS flats, HYSD reinforcement bars etc.including cutting to required size, shape, making hole of required size, making the edges smooth, getting it hot dip galvanised after fabrication, erecting using GI clamps, nut bolts and washers for the structures upto and including the platform in the respective level category etc.complete as directed by EIC. All material to be supplied by the contractor. HYSD reinforcement shall confirm to IS:1786 Fe415 and MS flat shall confirm to IS:2062. Hot dip galvanising shall be of 86 microns thickness confirm to IS:2629. Payment for G.I. gratings shall be made as per the actual physical weight of the G.I. grating as obtained at site. This includes Supplying, fabricating & erecting in position bolted and/ or welded Hot. Approximate weight of grating shall be 30 to 40 kg/Sq.m.

Providing and constructing W.B.M. road in layers of 75/100 mm compacted thickness, preparation of subgrade with murum screenings, including supplying and conveying all materials with all leads and lifts, spreading, sectioning, artificial watering and compacting in layers with vibratory roller as directed by EIC including maintenance of diversion road during construction etc. complete for the required width of road as directed by EIC.

Providing And Fixing Misc. Materials Not Covered In The Schedule Of Rates Including Transporting, Loading, Unloading At Site Etc. (Cash Receipt To Be Submitted).

Design Of New RCC Box Culvert And RCC Chamber In Ammonia, Urea, Workshop,ETP Area And WTP In Consultation With RCF As Per Modifications Suggested, Existing Site/Soil Conditions Along With Preparation Of Existing And Proposed Modification Drawings, Submission Of Detailed Design And RCC/Fabrication Drawings And Issue Of Stability Certificate After Completion Of Work.

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