BARC (V)/CES/K /103 Dated 19.09.2022

Amount

General Notes: 1) Only sieved river sand/crushed stone sand confirming to Zone-II from Godavari river or Varaha river or Vamsadhara river or Sarada river or Nagavali river / Crushed stone sand shall be used as fine aggregate and Graded hard broken granite metal of 3 stage (VSI) material shall be used as coarse aggregate in relevant items. Specification for fine and coarse aggregate shall confirm to IS:383 (latest revision) 2) The make/model/brand for all the BOQ items shall be as per suggestive makes of Annexure-B of Section-VII of the tender document. These makes are merely for guidance and bidders can prefer any other make which is meeting technical specifications given under Section-V and Schedule of Quantities of Tender document and shall confirm to the relevant BIS codes and other relevant codes. However, the bidder may suggest any equivelent make/ model/brand meeting technical parameters on or before pre-bid conference for approval of BARC(V). 3) In view of limit on water-cement ratio for durability requirements in design mix concrete, concrete admixtures (Carboxylate based superplasticizers) can be used after taking prior approval of Engineer-in-Charge and the rates quoted for concrete items shall be inclusive of the cost of admixtures, Design mix, trial mixes, testing (at site & at approved labs), etc. complete. 4) The contractor shall set up sufficient number of self loading mobile concrete mixers inside the project area for the production of concrete.

5) Contractor may also be allowed to procure concrete from prior approved RMC plants on prior approval of the BARC subject to maintain required slump at site during pouring.To that extent suitable Mix Design should be carried out with required retention period. No extra payment will be made if concrete is brought from RMC plants outside the project area. 6) Manufacturer's Test certificate of cement which is procured from dealer/company is to be submitted for all cement related works by the contractor. 7) "Substrcture" referes to the part of structure upto top level of ground floor grade slab and "Superstructure"refers to the part of structure above the top of the ground floor grade slab. 8) The Scope of works which are not included in any specific items but indicated in the document "General Scope of all works" shall be within the scope of overall contract works. The cost of work/item/material indicated in this document shall be deemed to be included in the quoted rates of all individual items. 9) The quoted rates shall include necessary royalties, seigneiorage charges,etc. and all other charges to supply all the required construction materials. 10) For all standards and code of practices, specifications, like Indian Standard, MORT&H, ASTM, etc. refer only latest revisions including all applicable amendments, revisions and additional publications (during contract period) and these have to be followed.

11)Prior approval for source of all construction materials by submission of relavent test certificates, documents, invoices etc. have to be taken from BARC. 12) All the tests mentioned in Quality Assurance Plan(QAP) should be carried out without any extra cost. 13) The contractor has to submit all royalty /seigneiorage slips,etc for all the naturally available construction materials before submitting the RA bills.

General Notes for Earth Work Excavation: Note : The rate quoted for earth work excavation by contractor is deemed to have included the following points (a) to (j) a) removal of all kinds of vegetation, small shrubs, light/heavy jungle, trees etc., alongwith roots, including disposal/stack in the identified location. b) shoring, strutting, stepping, dressing, grading required for keeping the earth in position on sides of trenches with approved timber/steel accessories wherever necessary to prevent sides from falling including bailing or pumping out of water if necessary including removal of debris/unserviceable materials and excavated excess soil, if any. c) dewatering of both ground and surface water, including removal of slurry generated while excavation and keeping the area free from water, to be let out of the building area through proper pipes & channels if required by suitable pumps, d) watering, ramming and thoroughly consolidate the bottom of all excavations & ground before the construction of foundation/footing/plinth beam, filling in basement or other work is commenced.

e) the loose pockets shall be excavated and compacted after back filling as directed by Engineer-in-charge, as per detailed specification and conforming to safety rules during progress of the work. f) Contour levels to be taken jointly with the Engineer-in-charge and prior written approval be taken before starting any excavation/ filling at every 3 m grids for arriving at the actual quantity, g) Backfilling will be done in layers of thickness as specified below. h) Cost inclusive of necessary royalties, seigneiorage charges and other charges to supply all the required construction materials, i) cost of items shall include all labour charges, hire charges of machinery, lubricants, fuels and tests etc. j) Measurement/Payment will be reststicted to PCC/drawing dimensions only.

From 0.00 to 1.50 m depth from average ground level

From 1.50 to 3.00 m depth from average ground level

Filling of areas with available excavated soil/soft rock in and around foundations, under basement floors, in plinths, usb grade formation and around building etc., including loading, transporting with a lead upto 1000m, unloading, removal of organic matter/roots/plastic/ all kinds of vegetation/small shrubs, etc., breaking of lumps and spreading in layers maximum compacted thickness of 250mm thick with suitable Earth rammers/vibro roller to achieve a minimum of 90% proctor density at optimum moisture content with all lifts, bailing/ pumping out of water to keep the site dry while backfilling, etc. complete all as per drawings and Technical specifications and as directed by the Engineer-in-Charge. Notes: 1. All necessary tests shall be conducted as per QAP and rate quoted shall include all tests. 2. The rates in respect of applicable for the net quantities arrived as per the actual difference in levels jointly taken by the department and the contractor after compaction of the earth as mentioned in the item description.

Supplying, lowering, laying of RCC Pipes (Class NP2) confirming to IS:458 with necessary collars, laid to correct grade & levels at all depth, including cutting to lengths, jointing with hemp yarn & cement mortar 1:1, caulking the joints, finishing, curing and testing all as per Technical specification and as directed by Engineer-in-charge. Cost including reinforcement steel, materials and labour etc., including hoisting, placing in position by manual or mechanical means and as directed by the Engineer-in-charge including testing of joints etc. complete. (Note: Excavation, bedding shall be measured seperately under relevant item)

150 mm dia

300 mm dia

Providing and laying 1st class bedding below RCC pipes with crushed stone sand or other granular materials passing through 4.75 mm seive as per IS 383 etc. complete all as per specifications and as directed by Engineer-in-charge. Cost including supply of all materials and labour complete.

Providing and fixing at or near ground level precast cement concrete 1:2:4 in kerbs, edgings etc. as per approved patterns and setting in position with C.M 1:3 (using coarse river sand/ crushed stone sand) including consolidation, curing, cost of required centering, shuttering, smooth finishing smooth with 6mm thick cement plaster 1:3 ( using fine river sand/crushed stone sand) on exposed surfaces, transporting to site complete as per specifications and as directed by the Engineer-in-Charge.

Supplying, cutting to shape and fixing 50 mm dia UPVC Pipes confirming to IS 4985 marked with pressure rating of 6 Kgs/cm2 in Dry pitching/RR Masonry/ RCC walls for weep holes / in slabs for sleeves complete all as per drawings and Technical specifications and as directed by the Engineer-in-Charge.

Supplying, cutting to shape and fixing 90 mm dia UPVC Pipes confirming to IS 4985 marked with pressure rating of 6 Kgs/cm2 in Dry pitching/RR Masonry/ RCC walls for weep holes / in slabs for sleeves complete all as per drawings and Technical specifications and as directed by the Engineer-in-Charge.

Supplying and injecting with approved quality chemical emulsion (Imidacloprid) at the rates and concentrations as per IS 6313 Part II for preconstructional anti termite treatment and creating a chemical barrier under and around the foundations, masonry pits, masonry foundations, wall trenches, plinth filling, junctions of wall and floor, expansion joints, surfaces of RCC works for a depth of min. 500mm from the finished ground level, surrounding pipes, conduits etc., walls retaining soil above floor level, apron and drain along the perimeter of the building including all associated works complete as per specification / IS 6313 and as directed by Engineer-in-charge. (only ground floor plinth area of the building will be measured for the payment in the following three stages). a) 20% after completion of the foundations/plinth beam. b) 50% after completion of the ground floor flooring. c) 30% after completion of all treatment works including ground floor doors & windows and around the building. Work to be executed by approved agency and specified guarantee for 10 (Ten) years shall be furnished by the tenderer. Payment will be cleared only after submission of Guarantee. Note: The payment part of under (a) will made only for the areas, which were not treated previsouly.

General Notes For PCC & RCC: 1) Rates quoted for PCC & RCC items shall include cost of sieved river sand (from Godavari river or varaha river or Vamsadhara river or sarada river or Nagavali river)/ crushed stone sand (confirming to Zone-II ) as fine aggregate and graded hard broken granite metal of 3 stage (VSI) material as a coarse aggregate. Specification for fine and coarse aggregate shall confirm to IS:383 (latest revision) 2) The mix shall be desiged to maintain the desired slump (as required at site/specified in IS code). In view of limit on water-cement ratio for durability requirements in design mix concrete, concrete admixtures can be used after taking prior approval of Engineer-in-Charge and the rates quoted for the concrete items shall be inclusive of the cost of admixtures, trial mixes, testing (at site & at approved labs), etc. complete. 3) Rate quoted for RCC items shall include cost of relevant design mix and testings

Providing and laying in position cement concrete of 1:3:6 (1 cement, 3 river Coarse river sand/ crushed stone sand, 6 graded stone aggregate of maximum size 20 mm) at all elevations including for roads. Cost includes consolidation, finishing curing etc. complete all as per drawings and technical specifications and as directed by the Engineer-in-Charge but excluding the cost of form work shuttering, centering all as directed by Engineer-in-charge.

Sub structure

Providing U3 finish for rendering smooth for mezzinine floors/other specified floors etc. with C.M. 1:2 (using Coarse river sand/ crushed stone sand) including a floating coat of neat cement including screeding, floating and applying a steel trowel finish to the surface of the concrete to the required slope and grade, and protecting the surface, subsequent cleaning of the same, repair of abrupt irregularities and gradual irregularities exceeding 6 mm, finishing joints and edges of concrete with edging tools, all as per specifications and as directed by the Engineer-in-charge. The item includes supply of all materials including cement and sand etc.

Providing and laying design mix reinforced cement concrete of M30 Grade by weigh batching using graded stone aggregate of 20mm max. size and coarse river sand/ crushed stone sand of approved quality including admixtures of approved quality, including handling & transportation, scaffolding, mechanical mixing, placing to required location by hoisting and / or pumping & mechanical vibration, consolidation, finishing, curing, hacking of concrete surfaces wherever required etc. complete at all levels in substructure/superstructure, roads, etc as per specifications & also including dewatering, if any, complete all as per drawings and technical specifications and as directed by the Engineer-in-Charge but excluding formwork, shuttering and steel reinforcement. Notes: 1) The minimum cement content shall be 390kg/Cum of concrete. However, actual cement content required shall be based on design mix requirements carried out at BARC approved (NABL accredited) laboratory. In case the cement quantity consumed more than the specified above, the cost towards extra cement will not be paid. 2)Temparature raised due to heat of hydration shall be kept within limits in raft/mass concrete by keeping proper curing mechanism.

Sub structure

Super structure

Providing and laying design mix reinforced cement concrete of M30 Grade by weigh batching using graded stone aggregate of 20mm max. size and coarse river sand/ crushed stone sand of approved quality including admixtures of approved quality, including handling & transportation, scaffolding, mechanical mixing, placing to required location by hoisting and / or pumping & mechanical vibration, consolidation, finishing, curing, hacking of concrete surfaces wherever required for thinner RCC structural elements etc. complete at all levels in substructure/superstructure, roads, etc as per specifications & also including dewatering, if any, complete all as per drawings and technical specifications and as directed by the Engineer-in-Charge but excluding formwork, shuttering and steel reinforcement. Notes: 1) The minimum cement content shall be 400 Kgs per cubic metre of concrete and with water cement ratio including the water contained in the aggregates not exceeding 0.40. However, actual cement content required shall be based on design mix requirements carried out at BARC approved (NABL accredited) laboratory. In case the cement quantity consumed more than the specified above, the cost towards extra cement will not be paid. 2) Slump shall be in the range of 150mm to 180mm 3)Temparature raised due to heat of hydration shall be kept within limits in raft/mass concrete by keeping proper curing mechanism.

General Notes for centering, shuttering & Form work: 1) This item is applicable for all PCC and RCC structural elements like footings, beams, columns, slabs, lintels, chajjas, walls,roads etc., for all heights and leads. 2) Only steel scaffolding, staging, supporting system to the formwork and steel frame work will have to be used for all RCC structural elements. 3) All surfaces adjacent to EPs, etc., shall be in true line and level & irregularities, if any, shall be rounded by mechanical grinding, chiseling, finishing the same using epoxy silica sand mortar at no extra payment. 4) The design and drawings of formwork shall be submitted alongwith calculations for approval before commencement of work. 5) Form finish F3 shall be provided to all exposed surfaces of the concrete. 6) Wall ties passing through the walls will not be allowed.

Providing, centering ,shuttering Form work using Film faced plywood to get a neat form finish surface for all types of structures including necessary strutting, steel frame work/H-beams, steel proping, staging, supports etc and deshuttering the same after the specified time all as per drawings and technical specifications and as directed by the Engineer-in-Charge

Sub Structure

Super Structure (Clear storey height ≤ 6m)

Super Structure (Clear storey height ≥ 6m)

Providing centering and shuttering for RCC walls, columns & beams connecting to walls and all wall connecting members using good quality densified film-faced Plywood so as to produce neat form finished concrete surfaces for all lelvels, with steel staging system formwork will have to be used for all structural elements, including strutting and propping etc. at all levels / heights including clear storey heights and removal of the same and including sealing the form joints suitably to avoid fins and abrupt irregularities, etc.complete all as per drawings and specifications and as directed by the Engineer-in-Charge.

General Notes for Reinforcement steel: 1) 1.2mm dia annealed GI coated binding wire required for the work will have to be supplied by the contractor at their own cost and will not be measured for payment. 2) Fe-500D / Fe-500EQR bars as per IS to be supplied by the contractor 3) Reinforcement bars from conversion agents / re-rollers of above manufacturers, will not be accepted. 4) No extra payment will be made on account of Rolling Margin & wastage. 5) Contractor shall supply copy of the documentry evidence of purchase of steel, test certificate from these manufacturers and also test from third party to be carried out at no extra cost.

Providing Reinforcement steel of all diameters for reinforced cement concrete at all levels including supplying, preparation of bar bending schedules, cutting, bending, transporting to all elevations, placing and keeping in positions, all leads, fixing, tieing with 1.2 mm dia annealed GI coated binding wire including all labour charges, cost of cover blocks (in same grade of concrete) of various thicknesses and sizes etc. all as per drawings and technical specifications and as directed by the Engineer-in-Charge. Using TMT Bars of Specified Grades of all sizes. TMT bars to be supplied by the contractor.

Sub Structure

Super Structure

General Notes for Structural steel : 1) Structural steel required for the work shall not be supplied by the Department. 2) Structural steel confirming to IS 2062 shall be supplied from their own plants rolled from virgin materials to be procured directly or from their authorised dealers and test cerificate to be produced. 3) The contractor shall supply documentary evidence of purchase of steel, Test certificate from manufacturers and also third party testing from approved laboratories with out any extra cost. 4) Welding weights, connections, bolts and nuts shall not be measured for payment but the cost of which shall be deemed to have been included in the rates. 5) Holes to be drilled only by Drilling machines and gas cutting of holes are not permitted. 6) Rate inclusive of all consumables like gas, welding electrodes and tools and tackles etc. 7) The Liquid Penetrant Inspection shall be carried out in 1% of the total joints and as directed by Engineer-in-Charge without any extra cost.

Providing Structural steel work using angles, channels, joists and other sections, welded and / or bolted including in built up sections for columns, beams, trusses, structural steel floors, frame works, monorails and other structures including supplying, cutting, drilling, welding, fabricating, hoisting, fixing in position, applying a priming coat of zinc chromate steel primer etc., complete all as per drawings and Technical specifications and as directed by the Engineer-in-Charge.

Up to and including 300 mm Joists, 350 mm channels, and below sections. All test reports to be provided along with the supply of the materials.

Supply, fabrication, and fixing in position the MS embedded parts in RCC/ Masonry/ Form work at all heights. Cost includung transporting, aligning, fixing in position, etc. complete all as per drawings and Technical specifications and as directed by the Engineer-in-Charge. All necessary test reports are to be provided along with the supply of the materials.

weighing not more than 100 Kgs.

weighing more than 100 Kgs but weighing upto 1000 Kgs.

Providing and fixing hand rail made of MS iron hollow pipes, squares, rectangular, flat and other sections of ISI Mark and of approved size by welding etc. for steel ladder railing, balcony railing & staircases railing including painting all steel work with two coats of PU Paint over coat of red oxide primer etc. complete all complete as per specifications as directed by Engineer-in-charge. (Cost including all materials and labour)

Providing and fixing hand rail using 304 grade Stainless Steel pipes or any other shape and quality by TIG welding, mirror / matt polishing, fixing at site etc. for balcony railing & staircases railing including special sections as per drawings, specifications. A sample to be fabricated and to be got approved by the Engineer-in-Charge before starting of work at site. This work to be executed through approved qualified welder etc., complete as per specifications all complete as per specifications as directed by Engineer-in-charge. (Cost including all materials and labour)

Providing and fixing Mechanical Splicing of Dextra using threaded coupler of all types to the reinforcement bars of specified dia and grade using high yield strength standard couplers of specially produced steel to join ribbed bearing bars machine cut end to end. Cost to include necessary supply of threaded couplers of various diameters, transportation, coupling at site by mechanical means, erection at site, testing of random samples, testing at site, protection of threaded ends using PVC covers, threading of rebars etc. complete. Cost to include necessary testing of joints (0.5% of the total joints) at site for tensile strength and as required by Enginner-in-charge. Cost quoted shall include all materials and labour.

20 mm dia

25 mm dia

Supply, Fabrication, Testing and installation of 3mm SS 304L duct EP including performance of 100% DPT of welded joints as per technical specifications,drawings and as directed by BARC

Supply and installation of SCH10 SS 304L of 500mm length pipes of sizes 50 NB to 300 NB as per technical specifications,drawings and as directed by BARC

General Notes for flyash bricks: In the fly ash bricks the mix confirming to the strength mentioned in the respective items shall be got approved by the department. The mix shall consist of ordinary portland cement content of not less than 20%(preferably) of the mixture consisting of Fly ash, OPC and Gypsum or any variation in proportion of design mix shall be submitted to BARC for approval. The Anhydraous Gypsum, Fly Ash, Cement, Crusher dust and other materials shall confirm to the relevant IS codes. The Anhydrous Gypsum shall be procured from a reputed source approved by the department. Roller mixer shall be used for good homogeneous mixing. a) Reinforcement will be measured & paid for separately under relevant item. b) RCC band and formwork shall not be measured seperatly, however no deductions will be made in brickwork for the same. c) No holes in brickwall will be allowed for scaffolding. Only double tubular steel scaffolding be allowed.

Providing and constructing 100/150/200/230mm (or as directed) thick masonry at all elevations with approved quality Fly ash/ FAL-G bricks (confirming to IS 12894) having minimum crushing strength 60 Kgs/Sq.cm and water absorption of maximum 20%, in cement mortar 1:4 (1 cement : 4 river sand/ crushed stone sand) uniformly mixed in machine with approved 'non-shrinking compound' as per manufacturer’s instruction in specified courses of approved bond also providing horizonatal RCC band of 100/150/200mm x 100 mm (or as directed) at about 1.00 m c/c with 2 nos. 8 mm dia Tor bars and 6 mm dia links at 300 mm c/c in cement concrete (1:2:4), required formwork, complete including pointing, raking out joints, curing, cleaning, including independent double legged scaffolding, at all heights, depths and leads, dewatering area where required etc., all as per typical drawings, Technical specifications and as directed by the Engineer-in-charge.

Sub structure

Super structure

Providing and fixing in position DURABOARD HD-100 Joint Filler board in expansion joints to the required size and shape, placing and keeping in position complete all as per drawings, technical specifications and as directed by the Engineer-in-Charge.The payment for higher width of expansion joint shall be made as multiples of respective board thickness.

25mm thick

50mm thick

Providing and Placing in position suitable PVC water stops, Serrated with central bulb (225 mm wide) 8 mm thick confirming to IS 12200/15058 for construction / expansion joints between two RCC Members and fixed to the reinforcement with binding wire before pouring concrete, including joint welding by approved method or as recommended by manufacturer etc. all as per the specifications and as directed by the Engineer-in-charge.

Providing, supplying and sealing the expansion joints 65mmx50mm wide Foam seal ( seal shall be Ethylene vinyl acetate) including application of epoxy adhesive on both sides to the lines and levels complete all as per drawings and technical specifications and as directed by the Engineer-in-Charge. Note: Work to be completed as per manufacturer recommendations. cost including all necessary material, work mens etc. (50 mm wide expansion joints).

Providing and Placing in position CAP seal bulb OD62mm of PVC (apply epoxy over the cap seal as per details of drgs) for expansion joints between two RCC Members of approved method or as recommended by manufacturer etc. all as per the specifications and as directed by the Engineer-in-charge.

Providing 15 mm thick Plain Internal Plastering in cement mortar 1:4 (using river sand) finished smooth, including sieving of sand to required fineness, preparation of the surface, double steel tubular scaffolding, curing all as per specifications, drawings and as directed at site etc. complete all as per Technical specifications and as directed by Engineer-in-charge.

Providing 20 mm thick External plastering in two coats under layer 12 mm thick with cement mortar 1:4 (using river sand) finished with a top layer 8 mm thick in cement mortar 1:3 (using river sand) admixtured with Water proofing admixture @ 2% by weight of cement used (in both layers) and as per manufacturer's specifications, sieving of sand to required fineness, double tubular steel scaffolding, finishing, curing etc. complete all as per Technical specifications as directed by Engineer-in-charge. cost including forming drip moulds /vattas wherever necessary and as directed by the Engineer-in-charge

Providing and fixing in position 22 gauge G. I. Chicken wire mesh with 20 mm opening, around door & window frames, junctions of walls with concrete etc. wherever required, before plastering including cutting, nailing with 'U' nails, screwing, minimum overlapping of 150 mm, etc. all complete all as per drawings and specifications and as directed by Enginner-in-charge. (Overlaps will not be measured for payment) Width of chicken wire mesh to be fixed shall be min. 150 mm.

Providing and applying white cement primer to the ceilings, walls and other surfaces to give an even shade over new work (3 coats) including scaffolding, curing etc., complete as per technical specifications and as directed by Engineer-in-charge.

General Notes for Waterproofing : Specialized agency to be approved by BARC. PRINCIPAL CONTRACTOR SHALL GIVE GUARANTEE FOR STIPULATED TIME FOR THE WATERPROOFING WORKS DONE AT SITE. All surfaces to be waterproofed should be sound, clean and dry. Concrete surfaces should have a light steel-trowel followed by a fine hair-broom or equivalent finish, which is dry and free of dust, oil and other contaminants. All high spots should be removed. Moss and lichen must be removed physically followed by treatment with fungicidal wash to kill any spores and inhibit further growth. After treatment wash down thoroughly with clean water and allow to dry. Grouting periphery of spout pipes with water insensitive epoxy, pressure grouting of construction joints and honey comb areas with cement grout, proper preparation of the concrete surface by mechanical means/hydro blasting to ensure a good bond between the topping and the substrata, testing of the surfaces prior to start the work, after completion and after a period of one month after completion by ponding, grouting or sealing of joints, making vatta at corners/junctions etc are deemed to be included for all items while quoting rates contractor shall give both material and performance guarantee in the format acceptable by Engineer-in-charge.

Providing and laying integral cement based treatment for water proofing (BOX TYPE) on horizontal surfaces to the Basement, UG tanks, sumps, Retaining walls, below grade slab, Lift Pits, Trenches & other underground structures at all levels/depths complete all as per specifications and as directed by Engineer-in-charge, and consisting of: (i) Ist layer of 25mm thick approved and specified Cuddapah rough stone slab over a 25mm thick base of cement mortar (1:3) (using coarse river sand/ crushed stone sand) mixing with water proofing compound confirming to IS:2645 in the proportion recommended by the manufacturer over PCC levelling course (PCC Levelling course to be paid for separately), joints to be sealed and grouted with cement slurry mixed with water proofing compound. (ii) 2nd layer of 25mm thick cement mortar (1:3) (using coarse river sand/ crushed stone sand) mixed with water proofing compound in recommended proportions. (iii) Finishing top with stone aggregate of 10mm to 12mm nominal size spreading @ 0.8 Cum per 100 sq.m thoroughly embedded in the 2nd layer. The total thickness of waterproofing treatment shall be about 75 mm. The contractor shall provide 10 years of guarantee in the format accepted by department.

Providing and laying integral cement based treatment for water proofing (BOX TYPE) on vertical surfaces to the Basement, UG tanks, sumps, Retaining walls, Lift Pits, Trenches & other structures at all levels/depths, complete all as per specifications and as directed by Engineer-in-charge, and consisting of fixing 25mm thick approved and specified Cuddapah rough stone with cement slurry mixed with water proofing compound confirming to IS:2645 in the proportion recommended by the manufacturer with a gap of 10mm to 15mm between stone slabs and the receiving surfaces and filling the gaps with neat cement slurry mixed with water proofing compound and finishing the exterior of the stone slab with cement mortar CM (1:4) (using coarse river sand/ crushed stone sand) 20mm thick with neat cement punning mixed with water proofing compound in recommended proportions, including preparing the surface making ‘V’ grooves at junctions, joints, cracks etc. providing nozzles and grouting them under pressure etc., complete at all levels and depths as per specifications as directed by Engineer-in-charge. The total thickness of water- proofing treatment shall be about 55 to 60 mm. The contractor shall provide 10 years of guarantee in the format accepted by the department.

Providing and applying 20mm thick waterproofing plastering to the concrete and masonry surfaces, with cement mortar of ratio cement mortar 1:4 (1 cement : 4 screened river sand) mixed uniformly by machine with approved polypropylene fibres and mixing of approved water proof compound as per recommendations of the approved manufacturer or as directed by the Engineer-in-charge, including raking out joints, hacking concrete surfaces and applying with approved chemical bonding agent, preparing junctions of concrete / masonry by neat cleaning, grouting with non-shrink mortar etc., at all heights and depths, leads and lifts, curing, etc. complete as directed by Engineer-in-charge. cost including conduting the water tightness test by filling and storing the water for 72 hours.

a) System shall consist of preparation of surfaces including ‘V’ grooves at junctions and joints, pressure grouting the same and curing. b) Applying cement slurry admixed with approved bonding agent recommended by manufacturer and allowed to cure. c) Walls plastering and finished smooth with about 20 mm thick with cement mortar 1:4 (1 cement : 4 screened river sand) using recommended proportion of waterproofing compound and polypropylene fibers. d) Making required wattas, rounding of corners; with 1:4 (1 cement : 4 screened river sand) admixed with waterproofing compound of recommended proportion and making junctions with walls and floor finished smooth, including and cured. e) Tank shall be tested by filling the water and maintaining it for 72 hrs. to check leakages. Contractor shall provide 10 year guarantee for waterproofing on approved proforma.

Dismantling Plain Cement concrete manually / by mechanical means carefully without damaging adjacent structures including disposal of debris within 200 m lead as per direction of Engineer-in-charge.

Dismantling of RCC works carefully without damaging reinforcement steel and adjacent structures after cutting grooves to the portion to be dismantled, cost includes cutting grooves, cutting of steel reinforcement bars if required and disposal of unserviceable materials within 200 m lead as per direction of Engineer-in-charge.

Making openings in RCC slabs, walls and other RCC structures of required size & shape including cutting of reinforcement if necessary and rate quoted shall include labour and disposing of materials away, along with finishing the concrete etc. complete as directed by Engineer-in-charge. (Note: The volume of RCC removed for making the opening will only be measured for payment).

Notes : The detailed specification of PH works are indicated in respective items and specification documents.

Providing C.I dome grating. complete as per specification for diameters 75 mm, 100 mm, 150 mm & 200 mm n.b..

Providing, laying, jointing, fixing, testing heavy quality (Class 'C') M.S. Galvanised pipes as per IS:1239 including fittings like elbows, collars, tees, unions, couplings, reducers, enlargers, bends & all other fittings, required for the completion except screwed flanges conforming to IS:1239 & also as per the code of practice of water supply in buildings of IS: 2065 including laying under the floors, chasing in walls and applying with two coats of anti-corrosive bitumastic paint over a coat of primer, roof slabs & making good the same to the original conditions, including cost of all jointing material like hemp yarn, teflon tape, white or red lead, clamps, pipe supports, hangers, screws, cement, sand, testing the pipes with clean water for 10 kg/cm2 pressure with minimum period of 2 hours duration, complete all as per drawing, specifications and as directed by Engineer-in-charge.

15 mm dia

20 mm dia

25 mm dia

Providing, laying, jointing, fixing, testing and painting with 2 coats of enamel paint over a coat of primer as per colour code of heavy quality (Class 'C') M.S. Galvanised pipes as per IS:1239 incluidng fittings like elbows, collars, tees, unions, couplings, reducers, enlargers, bends & all other fittings, required for the completion except screwed flanges conforming to IS:1239 & also as per the code of practice of water supply in buildings of IS: 2065 including laying under the floors, chasing / cutting / making holes in walls, roof slabs & making good the same to the original conditions, including cost of all jointing material like hemp yarn, teflon tape, white or red lead, clamps, pipe supports, hangers, screws, cement, sand, testing the pipes with clean water for 10 kg/cm2 pressure with minimum period of 2 hours duration complete all as per drawing, specifications and as directed by Engineer-in-charge etc. complete.

15 mm dia

20 mm dia

25 mm dia

32 mm dia

40mm dia

Providing and fixing in position heavy pattern Screw down Gunmetal (GM) Gate valve with handles and weels confirming to IS:778 including testing for 10 kg/cm2 pressure with clean and potable water with a minimum testing duration of two hours etc. as per specification.

20 mm dia (screwed ends)

25 mm dia (screwed ends)

32 mm dia (Screwed ends)

Providing and fixing Gunmetal (GM) Ball valve with SS Ball and SS Spindle as per IS - Class - I, heavy type, etc. complete.

25 mm dia (Screwed ends)

32 mm dia (Screwed ends)

40 mm dia (Screwed ends)

Providing and fixing in position approved best Indian make heavy quality gun metal Check valves (Non return valves)conforming to IS: 778 suitable for horizontal/vertical mounting with screwed ends including all jointing materials, testing the valve & joints for 10 kg/cm2 pressure with clean & potable water for a minimum testing duration of two hours as per specifications, etc., complete.

32mm nominal dia (horizontal)

32mm nominal dia (vertical)

40mm nominal dia (horizontal)

40mm nominal dia (vertical)

Providing and fixing G.I. Puddle flanges (Inlet and Outlet) of specified diameter and upto 600 mm long pipe with 6 mm thick Galvanised MS sheet welded with pipe as per the drawings, fixed on RCC wall of OHT for overflow, drain, inlet and outlet, including threading (wherever required) complete as per drawing & directions of the Engineer-in-charge.

32 mm dia

40 mm dia

50 mm dia

100 mm dia

Providing and fixing 40 mm dia brass ball cock of heavy quality of following dia size with arm rod and Ball floats with screw ends complete as per specifications and as directed by the Engineer-in-charge.

Providing, supplying, and fixing Rain water Down Take pipes using Galvanized Iron 'C' class by welding the joints including required bends etc. and fixing in walls / columns with M.S clamps & "C"- Clamps complete all as per drawing, specifications and as directed by Engineer-in-charge at site. Excluding painting the pipes.

100 mm n/b G.I. Pipe

150 mm n/b G.I. Pipe

Providing and fixing G.I pipe sleeves 600 mm long of specified size with Puddle Flange of specified size for rain water down takes to be embedded in RCC slabs/ RCC roof Gutters to connect Rain water pipes by welding or with screwed sockets complete all as per drawing, specifications and as directed by Engineer-in-charge. (These sleeves to be fabricated and embedded at the time of concreting in true vertical)

Heavy Quality 'C' Class 100 mm n/b G.I pipe with 200mm x 200mm Puddle flange

Heavy Quality 'C' Class 150 mm n/b G.I pipe with 250 mm x 250 mm Puddle flange

Supply and fixing of Cast Iron rungs, covers, frames and other fixtures as per drawing and as directed by EIC. Cost inclusding all leads and lifts, labour charges etc. for complete item of work as per specifications.

Supply and installation of 25mm dia MS conduit with accessaries of 50mm dia junction box(1/2/3/4), coupler, T joints, bends etc., as per site requirement. Bare copper conductor of 14swg is to be run all along conduit. The copper conductor has to be coupled with junction boxes with screw and nut. it has to be dropeed to flush boxes and connected to the same. Complete item of work as per technical Document No. : CON-001 and as directed by the Engineer in charge.

Supply and installation of 25mm dia MS conduit with accessaries of 50mm dia junction box(1/2/3/4), coupler, T joints, bends etc., as per site requirement. Complete item of work as per technical Document No. : CON-001 and as directed by the Engineer in charge.

Supply and installation of following metal flush box as per technical as per Technical Document No: MB Flush Box 001 and as directed by the engineer in charge

2 modular metal flush box

3 modular metal flush box

4 modular metal flush box

6 modular metal flush box

8 modular metal flush box

Supply and installation of 7 segment DBs as per tender specifications Document No. : 06046A and as directed by the engineer in charge

6 way TPN DB

12 way TPN DB

GVS Projects Pvt Ltd

SAKTHI ASSOCIATESS