Construction of Underground sump Retrofitting of existing overhead tanks and underground sumps at RRCAT Indore

Amount

Extra over item no.1.00 for each additional depth of 1.5m or part thereof.

Extra over item no. 2.00 for each additional depth of 1.5m or part thereof.

Earthwork excavation in foundations in soft rock by mechanical means (hydraulic Excavator)/manual means up to a depth not exceeding 1.5m including shoring and dewatering, if necessary and disposing of surplus excavated materials within a distance of 50 metre.

Extra over item no.4.00 for each additional depth of 1.5m or part thereof.

Extra over item no.5.00 for each additional depth of 1.5m or part thereof.

Excavation in foundations in hard rock by chiseling up to a depth not exceeding 1.5m including dewatering, if necessary and stacking or disposing within a distance of 50 metre.

Extra over item 7.00 for each additional depth of 1.5m or part thereof.

Extra over item 8.00 for each additional depth of 1.5m or part thereof.

Note: In respect of items 1.00 to 9.00 reasonable working slopes/spaces as demanded by site conditions shall be authorised by the EIC. Such authroised additional quantities shall also be considered for payment.

Excavation in Trenches, for pipes and sewers in hard rock by Chiseling up to a depth not exceeding 1.5m including dewatering, if necessary, stacking or disposing excavated materials within a distance of 50m. complete.

Demolishing plain cement concrete works by chiseling at all levels including scaffolding, disposal of materials within 50 metres lead etc. complete.

Demolishing Reinforced cement concrete works by chiseling at all levels including scaffolding, cutting of reinforcement bars by gas cutting, straightening & stacking of steel bars and disposal of unserviceable materials within 50 metres lead etc. complete.

Demolishing brick work in cement mortar at all levels including scaffolding, stacking of serviceable materials and disposal of unserviceable materials within 50 metres lead etc. complete.

Cutting Bituminous road surfaces including disposal of unserviceable materials within 50 metres lead etc. complete.

Lead charges, by mechanical transport to anywhere in RRCAT CAMPUS, including loading, unloading, stacking/leveling etc. complete. Note: The rates in respect of this item is applicable for the net quantities arrived at after making deductions for voids @ 20% in respect of soils and @ 50% in respect of rock from the corresponding stack/truck measurements.

For soil

Labour charges for cutting of existing 350 mm dia C. I. pipe with steel saw in proper line and level including tools & tackles etc. complete as per specifications & as directed by Engineer-in-Charge.

Providing centering and shuttering using timber planks/steel plates including strutting and propping etc. at all heights and removal of the same for in situ reinforced concrete and in plain concrete work

Foundations, footings, base of columns plinth beams, flooring, machine foundations, bed blocks, window cills, copings and mass concrete

Columns, pillars, posts, struts, mullions etc.

Sides and soffits of beams, beam haunchings lintels, cantilever, girders, bressumers, soffits of suspended floors, roofs, balconies, chajjas etc.

Walls, partitions and the like including attached pilasters etc.

Providing & laying in position Cement concrete 1:3:6 using graded stone aggregate 40 mm max. size including consolidating, finishing, curing etc. complete excluding formwork as per specifications.

Providing and fixing reinforcement for reinforced cement concrete using TMT bars of approved make at all levels including supplying, cutting, bending, fixing, tying in position with 1.6mm dia soft drawn annealed binding wire etc. complete including cost of binding wire as per drawing, specifications and as directed by Engineer-in-Charge.

Note: 1.The steel reinforcement bars shall be brought by the contractor at terms & conditions specified. TMT bars manufactured in the approved make brand name shall only be permitted subject to furnishing of challans, valid test report issued by the manufacturer, pertaining to elongation, yield strength, Bend rebend test etc. 2. Random testing of sample collected at site shall be arranged by the contractor at their own cost. One sample comprising of three specimens shall be collected for every 25MT of bars brought at site .The representive of department shall associate with the engineer of contractore at each satge right from sampling of testing .All charges ,transport taxes etc shall be borne by the contractor. 3. the contractor shall be solely respossible all the time for watch & ward of bars/binding wires etc at their own cost. 4. 1.60mm dia . Soft drawn annealed BINDING WIRE required for the work will have to be procured by the contractore at their own cost and will not be measured for payment . 5. Other condtion as stipulated in general condition, special conditions, additional conditions and specification shall also be applicable and no claim whatsoever on account of enforcing these provisions shall be entertained .

Providing & laying in position Design Mix REINFORCED CEMENT CONRETE of M-25 grade at all heights using graded stone aggregate of 20mm max. size including machine mixing, weigh batching, mechanical vibration, consolidation, finishing, curing and cost of labour, machinery, and materials etc. complete as per specifications but excluding shuttering, formwork and steel reinforcement. (Minimum Cement content shall not be less than 387kg/cum of concrete.)

In columns, mullions, pillars, posts, struts

In beams, slabs, lintels, Staircase, bed blocks, chajjas, canopies, shelves, walls and window cills.

Providing & laying in position Design Mix REINFORCED CEMENT CONRETE of M-30 grade at all heights using graded stone aggregate of 20mm max. size including machine mixing, weigh batching, mechanical vibration, consolidation, finishing, curing and cost of labour, machinery, and materials etc. complete as per specifications but excluding shuttering, formwork and steel reinforcement. (Minimum Cement content shall not be less than 405kg/cum of concrete.)

In foundations, footings, plinth beams, base of columns, flooring.

In columns, mullions, pillars, posts, struts

In beams, slabs, lintels, Staircase, bed blocks, chajjas, canopies, shelves, walls and window cills, stairecase etc.

Providing, fabricating, cutting, erecting, and fixing in position structural steel works of any shape using ISMBs, Joists, channels, angles, flats, Tees etc. of minimum grade Fe 250, at all levels including welding, painting with a primary coat of approved steel primer and transportation etc. complete as per specifications and as directed by Engineer-in-Charge. (The welding weights shall not be measured for payments but cost of same shall be included in the rate.)

Providing, fabricating, cutting, erecting, and fixing in position structural steel works of any shape using RHS, SHS & circular hollow sections of Grade Yst 310 as per IS: 4923 at all levels including welding, painting with a primary coat of approved steel primer and transportation etc. complete as per specifications and as directed by Engineer-in-Charge. (The welding weights shall not be measured for payments but cost of same shall be included in the rate.)

Providing, fabricating, cutting, erecting, and fixing in position structural steel works of any shape using Structural steel M.S. plain & chequered plates at all levels including welding, painting with a primary coat of approved steel primer and transportation etc. complete as per specifications and as directed by Engineer-in-Charge. (The welding weights shall not be measured for payments but cost of same shall be included in the rate.)

Brick work in cement mortar 1:6 using table moulded chimney bricks having a compressive strength not less than 40kg/cm² in foundation, plinth upto FFL and compound wall pillars including curing, raking out joints above ground level, simultaneous pointing below G.L. etc. complete as per specifications,

Brick work in cement mortar 1:6 using table moulded chimney bricks having a compressive strength not less than 40kg/cm² in superstructure at all levels including double scaffolding, raking out joints, curing etc. complete as per specifications,

Constructing brick masonry CHAMBERS FOR C.I./G.M. VALVEs of size 900mm x 900mm (internal ) upto 1200mm depth comprising of 200mm thick brick masonry (using IInd class bricks) in cement mortar 1:6 over 100mm thick cement concrete of 1:3:6, plastering with cement mortar 20mm thick on inside, outside and all exposed surfaces, finished with a floting coat of neat cement, including 100mm thick 1:2:4 RCC slab (with suitable reinforcement not exceeding 110 kg/m3 of concrete) at top with 150mm dia hole at the centre of RCC slab suitable for key rod operation, necesary formwork for plain & reinforced concrete work etc. complete.

Providing, laying, jointing & fixing in position Mild Steel ERW pipes ’ conforming to IS: 1239 having minimum specified thickness manufactured by Preferred make , Electrodes including providing & fixing all required M.S. fittings & specials of grade ‘C’, cost of transportation to site, welding, testing at a pressure of 24 kg per sq cm for 30 minutes duration and a coat of approved epoxy primer etc. complete as per drawing, specifications and as directed by Engineer-in-charge.

150 mm (5.40 mm Minimum thickness)

Providing and laying in trenches socket and spigot centrifugally cast (SPUN) DUCTILE IRON PRESSURE PIPES FOR WATER SUPPLY CLASS K-9, PN 10, conforming to IS: 8329, externally bituminous painted over zinc coating and internally cement lined, including lowering and keeping them in position to correct alignment and levelling, including cutting to waste of pipes wherever necessary, testing the pipes after making necessary joints (joints measured and paid for separately) to 10kg/cm² pressure with minimum duration of testing for two hours with clean and potable water etc. complete.

Providing, fixing and laying Ductile Iron fittngs and specials of class K12 suitable for push on jointing externally and internally coated and testing the same as per IS 9523 etc complete as per specifications and as directed by engineer-in charge.

Providing and fixing best Indian make C.I. Gate Valve /Sluice Valve with flanged ends of Preferred make conforming to IS:780, along with a pair of C.I. Tail pieces conforming to IS:1538, making necessary flanged joints, providing all jointing materials, testing the valves and joints for 10 kg/cm2 pressure with clean and potabale water with a minimum testing duration of two hours etc. as per specifications:

Supply and erection of 20/25 mm GM air release valve, with necessary GI coupling to be fitted on top of Air vessel or on wet riser all as per drawings, specifications and as directed by Engineer-in-charge.

Making LEAD CAULKED JOINTS to cast iron socket and spigot or double socket pressure pipes and specials for water supply including Cost of Lead, cost of spun (jute) yarn, fuel, labour, including making socket pits for lead pouring and caulking and testing the joints with clean and portable water for 10kg/cm² pressure with a minimum testing duration of two hours etc. complete.

Providing and fixing best Indian make C.I. flanged NON-RETURN VALVE along with a pair of C.I. tail pieces conforming to IS: 5312 (part - I), making necessary flanged joints, providing all jointing materials, testing the valves and joints for 10kg/cm² pressure with clean and potable water for minimum testing duration of two hours etc. complete.

Supplying and installation of best Indian make pressure gauge for water line including making joints, supplying all jointing materials including providing and fixing 3/8” SS ball valve, 3/8” brass, elbow nipple, bush etc. complete including testing the pressure gauge and joints to 16 kg per sq cm pressure with clean and potable water with minimum testing period of two hours duration, all as complete as per drawing and specifications and as directed by Engineer-in-charge.

Welding of M.S. windows/doors or any other member of any size any-where in RRCAT premises at all heights including scraping of existing worn out joint welding of joints using approved electrodes to achieve 3mm weld thickness of required weld length including removing flux, debris etc., painting one coat of steel primer touch up, grinding of joint before painting including safe removing & refixing of glass if necessary etc. complete as per drawing, specifications and as directed by Engineer-in-charge.

Making rubber tyton joints (Push on joints ) to C.I./D.I. S&S Pipes and specialsof following sizes including providing and fixing suitable sized rubber rings/gaskets confirming to IS 5382:1985 ENSURING LEAK TIGHTNESS, POSITIONING THE PIPES IN PROPER ALIGNMENT, LINE ,LEVEL ETC. COMPLETE INCLUDING COST OF NECESSARY LUBRICANTS, TESTING OF JOINT FOR PROPER PERFORMANCE ETC. complete as per specifications, and as directed by Engineer in Charge.

Supplying, lowering, laying, RCC spun pipes (Class NP2) of IS : 458 with necessary collars, laid to correct grade and levels at all depths including cutting to length, jointing with hemp yarn and C.M. 1:1, caulking the joints and finishing, curing, testing etc. complete.

Extra for erecting steel scaffolding unit up to 24.00 metre high using vertical pipes made of 40 mm n b , M.S. pipe of 25 G thickness and horizontal pipes made of 40 mm n b , M.S. pipe of 20 G thickness, fixed vertically & horizontally at spacing not exceeding 1200 mm resting over base plate of size 100 mm x 100 mm x 6 mm below vertical pipes, diagonal bracings shall be made of 40 mm n b , M.S. pipe of 20 BG thickness, tying all junctions with standard M.S. couplers including providing & fixing sitting unit made of closely spaced Bamboo Challis, having approximately 40 mm thickness tying the whole unit with existing reliable supports ,safety barricades at working level dismantling the same as & when required including screws ,nails etc complete as per drawing, specifications and as directed by the Engineer-in-Charge.

Note:1) Only one time Plan area shall be measured for payment of this item for complete retrofitting work of one over head water tank. De-assembled scaffolding material shall remain contractor's property. 2) The various items contained in the schedule already includes scafolding hence nothing extra against such items is payble nor this item shall be operated for scafolding of such items.

Materials & Labours for cutting ‘U’ shaped groove of approx. 25mm (W) x 25mm (D) along the construction joints with a chipping tools and filling the "U" groove upto 25 mm depth & 25 mm Width with Crystalliing modified Mortar or equivalent as approved after application of Crystalliing slurry or equivalent as approved in the groove by brush application @ 0.035 gm/ RM including cleaning of rusted reinforcement bars and treating the same with eppoxy coating, excluding scoffolding etc. complete all as specified and as directed by Engineer-in-charge.

Fixing of nozzle where ever required for grouting of porous concrete structure including cost of grouting materials, labours and tools & plants,excluding scoffolding etc. complete as directed by Engineer-in-charge.

Materials & Labours for unique chemical treatment for water proofing, protection and repair of concrete @ 1.6 kg/Sqm in two coats after filling the cracks and faulty construction joint repair using Patch N Plug or equivalent specifically designed for waterproofing having waterproof characteristic, it should highly resistant to chlorides and sulphates. Concrete Waterproofing by Crystallization" and have satisfactory test report from approved laboratory showing clear Scanning Electron Microscopic (SEM) photographs of dandified and mature crystals formation to plug all the capillary tracks and pores of the concrete permanently and Permeability test as per IS 2720 conducted by CBRI ,the concrete Should not absorbed water more than 1.5 gms and not more than 1 mm from the concrete surface. The product to be listed in ICC-ES EVALUATION REPORT INDEX 2009, 2010 & 2011.

The treatment to be carried out on the concrete surfaces including cleaning all RCC surfaces as per manufacturer's specification/ datasheet, excluding scoffolding etc complete all as specified and as directed by Engineer-in-charge.

Waterproof cement plaster in cement mortar 1:3, with waterproofing compound @ 2% by weight of cement including double scaffolding, curing, hacking of concrete surfaces etc. complete.

12mm thick

20mm thick

Scraping the walls and concrete surfaces to remove the existing white wash, distemper etc., at all height including necessary scaffolding inclusive of the cost of sand papers, steel scrapers etc. complete as per drawing, specifications and as directed by Engineer-in-charge.

Painting plastered surfaces with two/three coats of Acrylic emulsion paint of approved shade and make over one coat of approved cement primer including preparing the surfaces, filling with full wall putty, scaffolding and cleaning, tools & tackles, safety appliances etc. complete

Two finishing coats over a coat of primer

Applying one coat of approved make primer over old painted surfaces, preparing the surfaces including removal of old paint, if any, sand papering, filling with putty wherever required, to have proper and leveled surface to receive finishing coats, scaffolding, tools & tackles, safety appliances etc. complete.

Cement primer over plastered surfaces

Painting the exterior walls and roof with two coats of approved make & shade including preparing the surface by removing loose dust and dirt with stiff brush and washing the surface with clean water, treating the surface with antifungal chemical wherever required, filling holes with putty, scaffolding and cleaning, tools & tackles, safety appliances etc. complete as per specification.

Painting wood/steel work with two coats of Synthetic enamel paint of approved shade and make over one coat of approved wood/steel primer including preparing surfaces, filling with putty, scaffolding and cleaning etc. complete

On steel surfaces

Nirmaan Engineering (BID ID -3313641)

ORION CONTRACTORS PVT LTD (BID ID -3310448)

M/s. SAIRAJ CONSTRUCTION (BID ID -3314735)