Construction of compound wall and front canopy with gate near Main gate at NCBS campus

Amount

Earth work in excavation by mechanical means (hydraulic excavator) / manual means OVER AREAS (exceeding 30cm in depth and also exceeding 1.50m in width as well as 10sqm on plan) in ALL KINDS OF SOILS up to a depth not exceeding 1.50m including disposal of excavated earth, lead up to 50m and lift up to 1.50m etc., complete all as per specifications and directions of Engineer-in-charge. (Disposed earth to be levelled by breaking clods if any and neatly dressed).

Filling available excavated approved earth (excluding rock) in trenches, sides of foundations, plinth, etc.; in layers not exceeding 20cm depth breaking clods, consolidating each deposited layer by ramming, watering and dressing, etc.; complete for lead up to 50m and all lifts etc., complete as per specifications.

Providing and laying cement concrete using 40mm nominal size graded hard granite stone aggregate obtained from approved quarry including compaction, finishing top surface to level, curing, cost of formwork, etc.; complete as per specifications. Mix ratio specified is for Cement : fine aggregate as per IS: 383 : graded hard granite stone aggregate. IN FOUNDATION AND PLINTH / SUB-BASE TO FLOORS. PCC 1:4:8 (Using fine aggregate (Crushed stone sand produced by crushed hard stone / rock as per IS: 383))

Providing and laying in position REINFORCED CEMENT CONCRETE using graded hard granite stone aggregate of 20mm nominal size obtained from approved quarry including mechanical mixing, vibrating, compaction, finishing, curing, etc.; complete all as per specifications but excluding the cost of form works and steel reinforcement. (Rate to include labour for keeping embedment if any, wherever required while casting). Mix ratio is specified is for cement : fine aggregate as per IS: 383 : graded stone aggregate.ALL WORKS UPTO PLINTH LEVEL with RCC 1:1:2 (Using fine aggregate (Crushed stone sand produced by crushed hard stone / rock as per IS: 383))

Providing and laying in position REINFORCED CEMENT CONCRETE using graded hard granite stone aggregate of 20mm nominal size obtained from approved quarry including mechanical mixing, vibrating, compaction, finishing, curing, etc.; complete all as per specifications but excluding the cost of form works and steel reinforcement. (Rate to include labour for keeping embedment if any, wherever required while casting). Mix ratio is specified is for cement : fine aggregate as per IS: 383 : graded stone aggregate.ALL WORKS UPTO FFL with RCC 1:1:2 (Using fine aggregate (Crushed stone sand produced by crushed hard stone / rock as per IS: 383))

Providing and laying READY MIXED CONCRETE of specified grade machine batched by weight, machine mixed as per the design mix standards in the Ready Mix plant and transported to the place of work. The concrete is made using graded granite stone aggregates of maximum 20mm nominal (downgraded) size obtained from approved quarry including fine aggregate (Crushed stone sand produced by crushed hard stone / rock as per IS: 383) and cement all as per the design mix proportions conforming to IS 10262 with minimum cement content for durability for moderate exposure conditions, including supplying and providing concrete cover etc., which shall be followed as per latest IS 456 including pumping to all heights, placing, spreading, vibrating, compaction, finishing to required levels, curing etc., complete all as per specifications but excluding cost of formwork and steel reinforcement. Rate to include charges for admixture, if any specified, as per IS 9103, to accelerate/retard setting of concrete, improve workability without impairing strength and durability and labour for keeping embedment if any wherever required while casting. Rate also to include lift charges and scaffolding for all heights / depths from FFL/GL. NOTE: (1) Ready Mixed Concrete shall be procured from reputed manufacturers like, Ultratech Concrete Ltd, Nuvoco India (P) Ltd, ACC Concrete Ltd, Coromandel Concrete, IJM Concrete Products Pvt Ltd, RMC Readymix India Pvt Ltd, Prism RMC India Pvt Ltd, RDC Concrete India Pvt Ltd, Vishwas Concrete Pvt Ltd, Godrej & Boyce Mfg. Co. Ltd., Amigo conmix (India) pvt. ltd. or other reputed manufacturers or contractors own RMC plant, only after obtaining prior approval of the Engineer-in-charge. (2) Cement will not be issued by the department. (3) Rate to include the transportation with all leads from RMC plant to the place of work and pumping of concrete to any height and the rate shall be for all leads. (4) Cement concrete delivered at site should be workable and should satisfy all the required standard tests like cube test and slump test etc., as specified in IS456 code of practice. Samples taken at site only will be deciding factor for formal acceptance and payment.(5) Department will not have any direct contact in matters relating to payment, delivery schedule, quality of concrete etc. It is the responsibility of contractor to ensure proper co-ordination for the timely supply of concrete and approved quality product. (6) Contractor has to make arrangement for proper approach road (for which nothing extra shall be paid for) to enable the vehicle carrying concrete to move freely without any extra cost to the department before ordering the concrete. However existing approach road may be made use of for this purpose. (7) Contractor has to ensure proper strong shuttering / centring to receive the concrete at all heights.(8) Contractor has to indemnify the Department arising out of possible dispute with the manufacturers. (9) The design mix of RMC of the manufacturer/ supplier of RMC has to be obtained well in time and approval of Engineer-in-charge to be obtained prior to use. The design mix should be based on latest IS: 456 & IS: 10262. This approval has to be obtained whenever the design mix is changed. The RMC should be supplied conforming to the approved design mix which shall be continuously checked during the progress of work. All the quality checks as per IS stipulations should be scrupulously followed during the concreting. The work shall be carried out at all heights. by using RMC M-25 grade

Providing rigid and water tight CENTERING AND SHUTTERING using best quality wood/ plywood/ steel forms and centering with steel props, acro tubes etc., including strutting, propping, bracing, staging etc., complete for all RCC items fixed in position as required including labour for careful removal of form work etc., complete all as per specifications at all heights. In horizontal / vertical/ slanting surfaces. Foundations, footings, bases of columns including pedestals, mass concreting, pavement, RCC floor etc.

Providing rigid and water tight CENTERING AND SHUTTERING using best quality wood/ plywood/ steel forms and centering with steel props, acro tubes etc., including strutting, propping, bracing, staging etc., complete for all RCC items fixed in position as required including labour for careful removal of form work etc., complete all as per specifications at all heights. In horizontal / vertical/ slanting surfaces. Lintels, beams, plinth beams, girders, bressumers and cantilevers, brackets etc.

Providing rigid and water tight CENTERING AND SHUTTERING using best quality wood/ plywood/ steel forms and centering with steel props, acro tubes etc., including strutting, propping, bracing, staging etc., complete for all RCC items fixed in position as required including labour for careful removal of form work etc., complete all as per specifications at all heights. In horizontal / vertical/ slanting surfaces. Suspended floors, roofs, landings, shelves and their supports, balconies and chajjas

Providing rigid and water tight CENTERING AND SHUTTERING using best quality wood/ plywood/ steel forms and centering with steel props, acro tubes etc., including strutting, propping, bracing, staging etc., complete for all RCC items fixed in position as required including labour for careful removal of form work etc., complete all as per specifications at all heights. In horizontal / vertical/ slanting surfaces. Columns, pillars, abutments, posts and struts

Steel reinforcement for all RCC items including decoiling, cutting, hooking, bending, cranking, fabricating to required shape, placing in position and tying the system with soft drawn annealed GI binding wire of diameter not less than 1.00mm with 2 strands etc; complete all as per specifica- tions at all heights (binding wire will not be measured for payment). Thermo-Mechanically Treated (TMT) bars - Fe500

Constructing RANDOM RUBBLE MASONRY using available hard granite stones obtained from approved quarry with bond stones at every 0.50sqm of wall surface in cement mortar in mixes stipulated below without pinning on face, but including raking out joints and pointing flush in same mortar including levelling up with cement concrete 1:6:12 (1 cement : 6 fine aggregate as per IS: 2116 : 12 graded stone aggregate 20 mm nominal size), curing, etc.; complete as per specifications in FOUNDATION AND PLINTH. (Rate includes cost of bond stones wherever provided). (Mix ratio specified is for Cement : fine aggregate as per IS: 2116) In Cement Mortar 1:6 {Using fine aggregate (Crushed stone sand produced by crushed hard stone / rock as per IS: 2116)}

Constructing RANDOM RUBBLE MASONRY using available hard granite stones obtained from approved quarry with bond stones at 2m apart in cement mortar in every course in mixes stipulated below without pinning on face, but including raking out joints including levelling up with cement concrete 1:6:12 (1 cement : 6 fine aggregate as per IS: 2116 : 12 graded stone aggregate 20 mm nominal size) at window sills, ceiling level and the like, curing, scaffolding, etc.; complete as per specifications IN SUPERSTRUCTURE UPTO FLOOR FIVE LEVEL. (Rate includes cost of bond stones wherever provided. The mix ratio specified is for Cement : fine aggregate as per IS: 2116) Dressing of stones and quoins shall be as follows: DRESSING: Stone shall be hammer dressed on the face, the sides and the beds, to enable it to come into close proximity with the neighbouring stone. The bushing in the face shall not project more than 4cm on an exposed face and 1cm on a face, to be plastered. The hammer dressed stone shall also have a rough tooling for a minimum width of 2.5cm along the 4 edges of the face of stone. Quoins: Neatly dressed with the hammer or chisel to form the required angle and laid header and stretcher alternately. Theses stones shall have a minimum of 2.5cm wide chisel draft at 4 edges, all the edges being in the same plane. In Cement Mortar 1:6 {Using fine aggregate (Crushed stone sand produced by crushed hard stone / rock as per IS: 2116)}

Providing and construction Solid Cement Concrete Block masonry in cement mortar 1:6 (Cement : fine aggregate as per IS: 2116) using factory made, load bearing, approved quality, Grade C (4.0), as per IS: 2185 (Part 1), density of blocks not less than 1800kg/cum, minimum average compressive strength of units 4.0N/mm² at 28 days and minimum strength of individual unit is 3.2N/mm², set to level plumb including setting in position, providing scaffolding, curing, raking out joints wherever necessary etc., complete with all leads and all as per specification and direction of Engineer-in-charge in SUPERSTRUCTURE UPTO FLOOR FIVE LEVEL. For 200mm thick walls using (400x200x200)mm size blocks {Using fine aggregate (Crushed stone sand produced by crushed hard stone / rock as per IS: 2116)}

Supplying and laying FLAT GRANITE SLABS of thickness specified below and of width as required chisel dressed on top and sides including pointing with CM 1:4 (cement : fine aggregate as per IS: 1542) keeping in position setting to alignment and level, etc., complete all as per specifications for drains / pavements etc., complete as per standard drawings 50mm to 75mm thick slabs with fine aggregate (Crushed stone sand produced by crushed hard stone / rock as per IS: 1542) in cement mortar.

Plastering 15mm thick with cement mortar specified below, finished smooth with lime neeru, including scaffolding, curing, etc.; complete for INTERNAL SURFACES of walls, beam ribs, sills, jambs, etc.; complete all as per specifications UPTO FLOOR FIVE LEVEL, mix specified is for cement : fine aggregate as per IS: 1542. With CM 1:5 (Cement: Fine aggregate (Uncrushed sand by natural disintegration of hard stone / rock from streams or glacial sources as per IS: 1542))

Providing and applying PLASTER OF PARIS PUTTY (BIRLA PUTTY or equivalent) of 2mm thickness over plastered surface to prepare the surface even and smooth complete. Cost to include scaffolding charges also.etc., complete all as per specification.

Painting INTERNAL plastered surfaces with TWO or more coats of PREMIUM SUPER ACRYLIC EMULSION PAINT of approved brand and colour (Asian or Berger or equivalent) to give an even shade with required finish over a coat of water thinnable cement primer including cleaning the surfaces, filling the crevices with approved filler, applying a coat of approved putty on whole surface and rubbing the surface to achieve desired smooth surface, scaffolding, etc., complete all as per specifications and directions of Engineer-in charge.

Plastering 12mm thick with cement mortar specified below, finished rough including scaffolding, curing, etc.; complete for EXTERNAL SURFACES inclusive of sills, jambs, soffits, ceilings, etc.; complete all as per specifications for HEIGHTS UP TO 10M ABOVE GROUND LEVEL, mix specified is for cement : fine aggregate as per IS: 1542. With CM 1:3 (Cement: Fine aggregate(Uncrushed sand by natural disintegration of hard stone / rock from streams or glacial sources as per IS: 1542))

Providing and Applying Venar tex finish on RCC Column and beam surfaces of Approved color,texture and grains size including necessary scaffolding,lacqor coat,materials, labour complete and as directed by EIC

Providing water proofing treatment with two coats of BRUSHBOND of FOSROC Chemicals or equivalent for the roofs. The slab and the side vertical walls should be finished smooth with cement plaster (Cement plaster will be measured and paid for separately as an item), the surface should be absolutely dry, free from dust, grease, oil and loose particles. Providing necessary scaffolding wherever required and cleaning the surface etc., complete all as per the manufacturer's specifications.

Providing and making khurras of size specified below with 12mm thick CM 1:3 plaster finish over PCC 1:2:4 using 10mm nominal size stone aggregate (cement : fine sand : stone aggregate) of 600mmx600mm of varying thickness of 40mm at WPC side to 30mm at pipe end, laid to slope, compacted over PVC sheet of 1000mm x 1000mmx 400 micron laid over top of slab after cleaning the surface of concrete slab. The top surface of CM 1:3 plaster shall be finished smooth with cement punning, rounding of edges etc., complete all as per specifications and direc- tions of engineer-in-charge. NOTE: The RWP shall be fixed during construction of parapet to ensure filling the joints and around pipe properly. 450mmx450mm size

Providing and fixing rigid PVC SWR (soil, waste and rain water) drainage / rain water pipe con- forming to Type-A IS 13592-1992, including ac- cessories like bends and fixing with pipe clips, adhesive at joints all as per manufacturer's speci- fications to required length etc., complete all as per specifications and directions of engineer-in-Charge.110mm dia OD pipes with minimum wall thick- ness of 2.20mm

Labour Charges for Fabrication/ modification of existing MS Gate of size 7.5x2.00 mtr and wicket gate of size 1.00x 2.00 mtr. as per new requirement at site including making its support columns. One coat of Synthetic enemal primer and two coats of synthetic enamel paint with necessary putty etc., and as directed by EIC.,

Supplying, fabricating and erecting in positionsteel works in single sections including cutting, hoisting, fixing in position, applying a priming coat of red oxide zinc chromate primer and painting with two coats synthetic enamel paint of approved quality, make and colour/ shade, using bolts, nuts as necessary all as per drawings and specifications at all heights. In Channels, angles

Providing and fixing MS grills of required pattern in wooden / steel frames of windows, ventilators, clerestory windows, etc.; with MS flats, square or round bars with round headed bolts and nuts or by screws, etc.; complete all as per drawings and directions of Engineer-in-charge. Ornamental grill (with inclined, curved members or a combination of inclined, curved, horizontal & vertical members)

Providing and laying light duty Non-pressure NP?2 Class RCC Hume pipes with collars jointed with stiff mixture of CM 1:2 (cement : fine aggregate as per IS: 1542) including joints, etc.; complete. 300mm dia jointed with CM mixture using fine aggregate (Crushed stone sand produced by crushed hard stone / rock as per IS: 1542).

Providing and laying Non Pressure NP-4 class (Heavy duty) R. C. C. Pipes including collars/spigot jointed with stiff mixture of cement mortar in the proportion of 1:2 (1cement : 2 crushed M sand) including testing of joints etc. complete 600mm dia RCC pipes

Construction of Manhole of clear dimensions 1200X900mm in 230mm thick brick masonry using first class country bricks in CM 1:3 (cement : fine aggregate as per IS: 2116) over a bed of 200mm thick CC 1:2:4, plastering with CM 1:2 (cement : fine aggregate as per IS: 1542), 12mm thick to all internal, external surfaces and Internal, top exposed surfaces finished smooth with a floating coat of neat cement, PCC 1:2:4 for benching, channelling, including providing and fixing precast RCC M-15 frame and cover of size 600X600mm including the cost of steel reinforcement as per drawing and CI steps with 3-coats of anticorrosive, black bitumastic paint, encasing of sewers connections to manhole with PCC 1:2:4 etc. Complete all as specified and directed for initial depth of 1.0m (Ref. Fig. No. CED: PH8.9 of PH Engineering Specification) NOTE: CC 1:2:4 is (cement : fine aggregate as per IS: 383 : graded stone aggregate of 20mm nominal size obtained from approved quarry).Using fine aggregate (Crushed stone sand produced by crushed hard stone / rock in above item)

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes (SDR 11) conforming to IS: 15778, having thermal stability for hot and cold water supply including all CPVC plain & brass threaded fittings including fixing the pipe with clamps at 1.00m spacing. This includes jointing of pipes and fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer-in-charge etc., for INTERNAL WORKS EXPOSED ON WALLS with: CPVC pipes, 40mm outer dia

Supply, Laying and Fixing in position under floor, against wall in chases PVC SWR Drainage pipes and specials, rub- ber rings conforming to Type 'B' of IS:13592 'Supreme' or equivalent approved make as per manufacturers specifi- cation including cutting the pipes to required lengths, necessary excavation, chasing and restoring to original conditions, testing etc. complete. (Specials at junction of lateral pipe and vertical stack must have access door for inspection) 110mm dia (min wall thickness 3.2mm)

Providing, laying & compacting WET MIX MACADAM (WMM) using clean crushed graded aggregates (conforming to table 400 - 11 of MORT & H Specification for roads) and granular material, premixed with water at optimum moisture content in mechanical mix plant, carriage of mixed material by tipper to site, laying in uniform layers with pavers (completed thickness not exceeding 150mm) on prepared sub base, rolling with 8 tonnes vibratory roller to desired thickness, camber etc., till the density achieved is at least 98 percent of the maximum dry density of the material determined as per IS: 2720 (Part 8), complete all as per clause 406 of MORT & H specification for road.

Providing and laying at or near ground level Factory Made Kerb Stone of M-25 grade cement concrete in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement: 3 fine aggregate (Crushed stone sand produced by crushed hard stone / rock as per IS: 1542)), including making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5mm), including making drainage opening wherever required complete etc. as per direction of Engineer-in-charge (length of finished kerb edging shall be measured for payment). (Precast C.C. kerb stone shall be approved by Engineer-in-charge).

Laying available stone slab flooring upto 75mm thick of any design/ shape laid in required line, level, curvature, colour and pattern over and including 50 mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineer- in-charge. (Old stone slab shall be supplied by the department free of cost).

Providing and laying cement concrete interlocking paver blocks flooring using 60mm thick blocks of approved shape, size and colours with required combination of colours of blocks having load bearing strength not less than M30 grade manufactured by M/s. Besser Blocks / M/s. Nitco / M/s. Malu Group or equivalent, close jointed over bed of 75mm thick sand to a tight pattern, laid to proper line and level including bedding down the completed surface with a plate vibrator or by firmly topping level with mallet and a large flat piece of timber, finishing by brushing clean dry fine aggregate over the surface to fill all the joints thoroughly including fixing the edge restraint laying blocks etc., complete all as per manufacturers specifications and directions of Engineer-in-charge. (Rate to include cost of paver blocks, M-sand and labour etc.). The arrangement of pattern of blocks shall be as per architectural drawings. Interlocking paver blocks laid over bed of fine aggregate (Crushed stone sand produced by crushed hard stone / rock)

Supplying of Aluminium Door handles of 200mm size as per the directions of E-In-C.

Care full Dismantling stone rubble masonry/granite slabs fixed as Jolleys in cement mortar including stacking of serviceable materials and disposal of unserviceable materials within 200m lead.

Demolishing RCC work including stacking of steel bars and disposal of unserviceable mate- rials within 200m lead.

Taking out existing kerb stones of all types from footpath/central verge, including removal of mortar etc., disposal of unserviceable material to the dumping ground, for which payment shall be made separately and stacking of serviceable materail within 50 metre lead as per direction of Engineer-in-Charge.

Taking out existing stone slab up to 75mm thick from footpath/ central verge, including removal of rubbish etc., disposal of unserviceable material to the dumping ground, for which payment shall be made separately and stacking of serviceable material within 50 metre lead as per direction of Engineer-in-Charge.

Dismantling steel work in single sections in channels, angles, tees and flats including dismembering and stacking within 50m lead.

Cutting road and making good the same including supply of extra quantities of materials i.e. aggregate, moorum screening,Red earth and labour required with bituminous portion/ Concrete as per the directions of EIC etc complete.

R.K.BUILDERS (BID ID -3202672)

n venkata raju (BID ID -3202435)