Construction of LWSS to Harizan Baasti Karot in G.P Dobha Tehsil Sadar District Bilaspur. (SH Construction of pump house 11.97 Sqmt, C/o RCC main storage tank 24700 litr capacity, laying of rising main and providing and installation of automation

Amount

Excavation in foundation and trenches (for pipe and pits) in all kinds of soil such as pick jumper work, including saturated soil stacking the excavated soil with all leads and lifts and clear from the edge of excavation and then returning the stacked soil in 15cm layers, when required into plinth, sides of foundation etc. consolidating each deposited layer by ramming and watering and then disposing of all surplus excavated earth as directed within all leads and lifts including dressing of beds and sides and preparation of un metal led /metal led/ paved surfaces to its original conditions including shoring, strutting, timbering and dewatering whenever is required. Providing diversions for traffic, night signals fixing caution board crossing over trenches for access to houses complete in all respect and to the entire satisfaction of the Engineer-in-charge Pick and jumper work.

Providing and laying cement concrete 1:3:6 (1cement: 3sand: 6 graded stone agg. 20mm nominal size) excluding the cost ofcentering & shuttering in foundation and plinth in all leads and lifts.

Providing and laying cement concrete 1:2:4 (1cement:2 sand:4 graded stone aggregate 20mm nominal size) and curing complete excluding the cost of form work in foundation and plinth and to the entire satisfaction of the Engineer-in-charge.

Suspended floor roofs landing shelves and their supports balconies, beams girders bressumers and cantilevers up to floor two level.

Providing and laying cement mortar 1:6:12 (1cement: 6sand: 12 graded stone aggregate 40mm nominal size) excluding the cost of centering and shuttering in foundation and plinth and to the entire satisfaction of the Engineer-in-charge.

Providing and laying cement concrete 1:1.5:3 (1cement:1.5 sand:3 graded stone aggregate 20mm nominal size) and curing complete excluding the cost of form work in foundation and plinth and to the entire satisfaction of the Engineer-in-charge.

Foundation,footing, bases of columns and the like mass concrete and to the entire satisfaction of the Engineer-in-charge.

Wall any thickness but not less than 0.1mtr thickness attached pilasters, buttresses, plinth and string courses etc. from top of foundation level up to floor two level and to the entire satisfaction of the Engineer-in-charge.

Suspended floor roofs landing shelves and their supports balconies, beams girders bressumers and cantilevers up to floor two level.

Providing form work with steel plates 3.15mm thick welded with angle iron in frame 30x30x5mm, so as to give a fair finish including centering, shuttering, strutting and propping etc. with wooden battens ballies, height of propping and cent ring below supporting floor to ceiling not exceeding 4 mtr and removal of the same for in-situ reinforced concrete and plain concrete work in:-

Vertical surfaces such as walls (any thickness) partitions and the like including attached pilasters buttresses, plinth and string courses and the like and to the entire satisfaction of the Engineer-in-charge.

Flat surfaces such as soffits of suspended floor landings and the like up to 200mm thickness and to the entire satisfaction of the Engineer-in-charge.

Lintels, beams girders bressumers and cantilevers up to floor two level.

Edges of slab and breaks in floor and walls under floor 20cm wide in all leads and lifts and to the entire satisfaction of the Engineer-in-charge.

Providing tor steel reinforcement for RCC work including bending binding and placing in position complete in all depths and heights and to the entire satisfaction of the Engineer-in-charge.

Providing and fixing of manhole cover (size 680x680) with MS sheet 2.00mm thick with hinges on MS angle iron frame 35x35x3mm supporting with 40x5mm MS flat with base frame 40x40x5mm duly welded and fixed in RCC slab with anchor bolt 12mmx150mm including cost of welding charges, carriage fixing and applying priming coat and locking arrangement complete in all respect and to the entire satisfaction of the Engineer-in-charge.

Steel work welded in built up section including cutting, hoisting fixing in position and applying a priming coat of red lead paint in gratings framed guard, bars, ladders, railing brackets and similar works and to the entire satisfaction of the Engineer-in-charge.

Providing in RCC work smooth finishing of the exposed surface with cement mortor 1:3(1cement: 3sand) and to the entire satisfaction of the Engineer-in-charge.

Random rubble masonry/ polygonal rubble masonry (un coursed brought to courses) with hard stones of approved quality in foundation and plinth including levelling up with cement concrete 1:6:12(1cement:6sand: 12 graded stone agg. 20mm nominal size) at plinth level in cement mortar 1:6 (1cement: 6sand) within all leads and lifts and to the entire satisfaction of the Engineer-in-charge.

15mm cement plaster in single coat of fair side of brick/ concrete wetc. Stone walls for supeerior plastering in all depths and the height including arises internal rounded angles exceeding 80mm in girth and finished even and smooth in cement mortar 1:6 (1cement: 6sand) in all leads and lifts and to the entire satisfaction of the Engineer-in-charge.

6mm cement plaster to ceiling in cement mortar 1:3 (1cement: 3sand) and to the entire satisfaction of the Engineer-in-charge.

Finishing wall with water proofing cement paint of approved brand and manufacture and of required shade on undecorated wall surfaces (one coat) to give an even shade after thoroughly brushing the surface to remove all dirt and remains of loose powdered materials.

Providing 40mm thick cement concrete flooring 1:2:4 (1cement: 2sand: 4 graded stone 20mm nominal size laid in one layer finished with floating coat of neat cement and to the entire satisfaction of the Engineer-in-charge.

Brick work using common burnt clay building bricks (2nd class) in super structure above plinth level upto floor two level in cement mortar 1:6 (1cement: 6sand) in all leads and lifts and to the entire satisfaction of the Engineer-in-charge.

Providing and fixing wood paneled glazed or paneled and glazed shutters for doors, windows and clear story windows including black enameled iron with necessary screws 40mm thick in all leads and lifts and to the entire satisfaction of the Engineer-in-charge.

Applying priming coat over new wood and wood based surface after and including preparing the surface by thoroughly cleaing oil dirt grease and other foreign matter sand papering and knotting ready mixed paint brushing wood primer pink in all leads and lifts and to the entire satisfaction of the Engineer-in-charge.

Painting two coats (excluding priming coat) on new wood and wood based surface with ready mixed paint brushing the give and even shade including cleaning of all dirt dust and other foreign matter sand papering and stopping with ready mixed paint other than white in all leads and lifts and to the entire satisfaction of the Engineer-in-charge.

Dismetempering with oil bound washable distemper or approved brand and manufacture (two coat) and of required shade on undecorated wallsurface to give an even shade over and including primer coat of whiting after thorughly brushing and surface free from mortar dropping and other foreign matter including preparing the surface even and sand apered smooth in all leads and lifts and tothe entire satisfaction of the Engineer-in-charge.

Providing and fixing aluminium sliding door bolt 250x6mm in all leads and lifts and to the entire satisfaction of the Engineer-in-charge.

Providing and fixing aluminium tower bolt 150x10mm in all leads and lifts and to the entire satisfaction of the Engineer-in-charge.

Providing and fixing aluminium Handle 125mm in all leads and lifts and to the entire satisfaction of the Engineer-in-charge.

Providing and fixing aluminium Handle 100mm in all leads and lifts and to the entire satisfaction of the Engineer-in-charge.

Providing under layers for plinth protection 75mm thick (unconsolidated) bed dry brick/stone aggregate 40mm nominal size well rammed and consolidated grouted with fine sand including preparation of ground complete in all respect within all leads and lits.

Providing plinth protection 50mm thick iin cement concrete 1:3:6 (1cement: 3sand: 6 graded stone agg. 20mm nominal size) including entire carriage of material in all leads and lifts as per direction of the Engineer-in-charge.

Constructing course rubble hammer dressed ‘U’ shape open surface drain with side wall,15x22cm in cement mortar 1:6 (1cement: 6sand) and inside plastering with cement plaster 1:3 (1cement: 3sand) incuding earth work and laying 10cm cement concrete in 1:5:10 (1cement:5 sand:10 graded stone agg.) of 40mm nominal size and 7.5cm cement concrete 1:2:4 (1cement:2sand: 4 graded stone agg. of 20mm nominal size and finished with a floating coat of neat cement concrete as per standard design.

Providing and fixing MS grills of required pattern in wooden frame of window etc. with MS flat, square or round bars with round headed bolts and nuts or by screws for plain grills.

Providing and fixing M.S fan clamp (type0I) of 16mm dia M.S bar bent to shape with hooked ends in RCC slab during laying including painting the exposed portion of loop all as per standard design complete in all leads and lifts and to the entire sartisfaction of the Engineer-in-charge

Providing and fixing pressed steel doors frames manufactured from commercial mild steel sheet of 1.25mm thickness including hinges jamp lock jamb bead and if required angle threshold of mild steel angle of section 50x25mm or base ties of 1.25mm pressed mild steel welded or rigidly fixed together by mechanical means, adjustable lugs with splita and tails to each jamp including steel butt hinges 2.5mm thick with guards, lock strike plate and shock as specified and applying a coat of approved steel primer after pretreatment of the surface as directed by the Engineer-in-charge. Profile-A

PUMPING MACHINERY

Providing horizontal spindle horizontal split casing/end suctions (backfull out arrangement) single/double/ multistages centrifugal pump or combination of pump in series/parrallel of recommended make such as Mather and Platt/KSB/Beacon weir/BE/ Kirloskar as per BIS-1520-1980 with upto date ammendments, read with IS: 9137-1978 or latest edition suitable for lifting Clear water for under mentioned characterstics with bronze impellers/priming funnels, casing ring and shaft sleaves of bronze, shaft of steel grade EN-8 with cast iron casing coupled directly through a flexible coupling on a MS/Cast steel base plate ( base plate to be from the manufacturers of the pumping unit only) to Squarrel cage/ slippering drip proof induction motor of standard make such as Kirloskar/BHEL/Crompton/NGEF/GEC/Mathoor and suitable for operation on 400 (+)/-) 10% volts, 50 cycles/second, 3 phase AC electric supply. The power of electric motor should be atleast 10% in excess of the maximum power required by the pump in the operation range of (+) 10% and (-) 25% of the duty point head. The motor should be as per IS: 325-1978 with upto date ammendments read with IS: 900-1972. It should include cost of bearing nuts, bolts and pointing etc. and should meet the following requirements:-(Please see specifications, terms and conditions in the SOQ PDF file attached)

Providing ICTP Main Switch with HRC fuses of L&T/Crompton/Standard/Havells make for suitable Capacity Operational rating as per IS: 4064-1978 with upto date ammendments immediately after the power meter of HPSEB.(CTP Switches capacity aps_)

Providing M.S. sheet, steel fabricated floor mounted closed ( Almirah type) switch board including angle iron post of suitable height and size ISA 40x40x6mm, duly painted, with steel sheet of 16 gauge comprising, capable of mounting the following accessories with all internal connections:-

M.C.B of Kilburn/L&T/EI/GEC make of suitable capacity on incoming feeder with or without initial oil filling as the case may be with neutral linked under voltage releases as per IS: 2516-1985 with upto date ammendments with.

Earth leakage relay/E.L.C.B. of Kilburn/L&T/MEI/GEC make as per IS: 2516-1977 with upto date ammendment and of 100 Amp. Capacity which should have control box operating handle and trip/reset bush button on/off indicators, re-indicating off spring condition of the circuit breaker for over current protection. The circuit should be equipped with magnet thermal release with metallic tape etc. It should also be lifted with earth fault for tripping of breaker on occurrence of earth fault on off breaker load side end.

The voltage monitor relay of L&T/AE/Diplomat make three phase with all protection and usual indicator and electric siren against single phasing low voltage, high voltage, reverse phasing, over loading and phase voltage difference as per IS: 3842 ( Latest edition)(Voltage Monitor Relay:)

Power factor meter of standard make AE/L&T Rishab as per relevant IS code with upto date ammendments of suitable rating.(Power factor meter)

Frequency meter of standard make AE/ L&T rishab as per relevant IS: Code with upto date ammendments of suitable rating.(Frequency meter).

Bus bar chamber with copper strips having 3 & 1/2 three bars of suitable rating for full length equal to the width of the board for three live phases and suitable for induced current, one copper bar of half the rating of full length for neutral phase as per IS : 8084-1976 and IS: 11353-1985 read with BIS 5578-1985 with upto date ammendments 100 (Amp.Bus Bar chamber. Make Rating 100 amp)

ICTP switches with HRC fuses of Kilburn/L&T/siemens/Stands/Havells make and of suitable capacity as per IS: 4064-1978 with upto date ammendments (ICTP Switches capacity )

Three phase indicator lamps complete with toggle switches for individual motors as per IS: 3452 ( P-I&II) with upto date ammendments 15 watt.(Three phase indicator:)

Providing suitable DOL star delta starter of MEI/Kilburn/Jyoti/Siemens make suitable for 15 HP as per IS: 8544-1979 with upto date ammendments for squirrel cage/slippering motor mounted on pannel board with magnetic type overload release and dashpot time lag, under voltage release with or without initial oil filling as the case may be with single phase preventor as per IS 1248 ( P-V)-1983 with upto date ammendments.(Starter)

Providing Hour run meter of recommended make of suitable capacity as per IS: 722 ( Latest edition) 0-9999 Hours.(Hour Run Meter)

Providing double flanged cast iron sluice valve of Leader / Bhel/ Kirloskar/Gled/Kilburn/Fouress/Pelican/Bir/Kartar make of 40mm dia class PN-1.00 or one dia higher than the delivery of pump for the suction pipe and capableof with standing the normal seat pressure 10.20kg/cm2 asper IS: 780-1984 withy upto date amenddmnets.(Sluice valve.Make.Class :1.0 Seat Pressure: 10.20kg/cm2 Material.)

Providing double flange cast iron sluice vlve of Leader/ Bhel/Kirlosakr/ Kilburn/Gled/Fourcess make and of 40mmdia for the delivery line of the pump or one dia lessor thanthe deivery pump and capable of with standing thenormal seat pressure 52kg/cm2 and as per IS: 1414 API-600, class -200 with upto date amendements.(Sluice valve.Make.Class :ASA--300Seat Pressure: 52kg/cm2 Material.)

Providing double flanged cast steel reflux valve of Leader / Bhel/ Kirloskar/Kilburn/Gled/Fouress / KSB make and of 40 mm dia having bye pass arrangement on the delivery line of pump of one dia lessor than the delivery of pump and capable of withstanding normal seat pressure as per (Part-I) BS: 1868-API-600 withupto date amendments class ASA-300 (Reflux valve Make.Class : ASA-300 Seat Pressure: 52kkg/cm2 Materia)l

Providing 100mm dia circular dial pressure gauge of Leader/ Bhel/ Kirloskar/ Kilburn/Gled/Fouress/ KSB make complete with all accessories such as stop cock, copper tubing etc. as per IS: 3624-1987 with upto date amendements range 0-52kg/cm2 and to the entire satisfaction of the Engineer-in-charge. (Presssure gauge)Make:Range: 0-52 kg/cm2)

Providing 100mm dia circular dia vacume gaugeof Leader/ Bhel/ Kiloskar/ Kilburn/Gled/Fouress make complete with all accessories such as stop cock, copper tubing etc as per IS: 3624-1979 with uptodate amendements and to the entire satisfaction of the Engineer-in-charge. (Vacume Gauge) Make:Rnage: 760mm of Hg)

Providing discharge meter of standard make to be fixed on rising main near the storage tank as per the direction of the Engineer-in-charge as per IS: 2373-1981 with upto date ammendemnets suitable for 7.49 LPS discharge and to the entire satisfaction of the Engineer-in-charge.

Installation of all the items appearing at Serial No. 1 to 10 as per the systematic drawing attached with the tender documents ( Drg.No.1)

Providing and fixing double flanged MS/GI piping work layout to be approved by the Engineer-in-Charge for suction and delivery pipes suitable to pump(s) offered and common header as per the rising main respectively complete with all specials such as bends ,tees reducers/ increasers with companion flanges matching with the relevant specifications of the accessories as indicated in the drawing No.2 including rubber/asbestos gasket of minimum 3mm thickness as per IS 2712-1979 and required number of nuts and volts as per IS: 1364-1983. The pipes shall be as per relevant IS Code and to withstand 1.5 times total head stipulated under item No.1. The size of the various components to be as under:- (i) Suction pipe 125mm dia Min.length = 15 mtr.one dia higher than the delivery of pump (ii) Delivery pipe 80mm dia -do- = 5 mtr. one dia lessor than the delivery of pump. (iii)Common Header 100mm dia -do- = 10 mtr. and will extended upto 5 meters from the outer wall of the pump house in the direction to be jointed.(Please see specifications, terms and conditions in the SOQ PDF file attached)

Providing and laying copper PVC insulated armoured power cable ( one cable carrying all the three phases) of suitable size and capacity to and all other electrical equipments as per IS: 1554 (P-I)1988 or latest with upto date ammendments of Siemens/ IEC/ICC/GICO/Grandly/National make including all other accessories such as thimbles, flexible, pipes solder, nuts and bolts, cable glands etc. laid in pipes or trenches under floor. Motor side: 8.00mm2 Min length = 20 mtrs. Supply side 4.00mm2 Min. length = 10 mtrs. .(Please see specifications, terms and conditions in the SOQ PDF file attached)

Providing and fixing double loop earthing and G.I / copper plate 600mmx600mmx3mm thick electrode complete with material such as thimbles, nuts and bolts, charcoal and common salt, 4 SWG.8 SWG G.I strips and G.I wire as per IS: 3043-1987 with upto date amendments for motors and other electrical equipments and digging of pits etc. complete in all respect.

Rising main.

Laying jointing and testing in trenches GMS pipe Heavy / Medium class ( to level or grade) of pipe jointed with 5% joint flanged and remaining jonit butt welded of below diameter conforming to IS: 1239-2001 (latest upto date amendements) of grade and wall thickness as specified below, suitable to withstand required hydraulic test pressure in randum length 4m-6m with plain ends and jonited with MS flanges conforming to IS: 6392-1971 (latest upto date amendments) and welding of flanges as per IS: 816-1969 with electrodes as per IS: 814-1991 including required number and size of MS nuts and bolts as per IS: 1369-1967 and compressed asbestos fibre jointing gaskets sheet not less than 3.00mm in thickness as per IS: 2712-1998. The welding of flanges to be done on both faces in two layers to make the joints leak proof and to entire satisfaction of the Engineer-in-charge. The laying of pipes conform to IS: 5822-1994 and as per CPHEEO manual and will include all operations such as cutting, welding and jointing including flushing, cleaning and hydraulic testing complete in all respect. to the en tire satisfaction of the En gineer-in-charge including entire carriage of materials upto all leads and lifts. PIpe will be measured in straight length only (earth work in trenches flanged joint (at every joint) will be measured and paid for separately)

1st stage

GMS tube 40mm dia (Heavy class) of wall thickness 4.05 mm RD 0-1050mtr) flange table-34

GMS tube 40mm dia (Medium class) of wall thickness 3.25 mm RD 1050 to 2475 Mtr) 1051 to 1620 mtr flange table-28, RD 1621 to 2130 glange table-17 and 2131 to 2475 flange table-5

Providing, welding and fixing of MS flanges at suitable joint to be provided 5% of total joint and remainig 95% joints with butt welded joint , conforming to following tables as per IS: 6392-1971 (latest with upto date amendements) with plain end GMS/ MSERW pipe in requist number of layer on both faces to make the joint leak proof (The cost of providing and laying of GI/ MSERW pipes to be measured and paid for separately). The welding of flanges should conform to IS:816-1969 with electrodes as per IS: 814-1991 and required number of nuts and bolts conforming to IS:1364. The thickness of gasket not less than 3.00mm conforing to IS:2712-1998. The work shall be done as per entire satisfaction of the Enginer-in-charge in all leads and lifts

GMS tube 40mm dia (Heavy class) of wall thickness 4.05mm (RD 0 to 1050) with flange table-38

GMS tube 40mm dia (Medium class) of wall thickness 3.25mm (RD1050 to 1620) with flange table-28

GMS tube 40mm dia (Medium class) of wall thickness 3.25mm (RD1620 to 2130) with flange table-17

GMS tube 40mm dia (Medium class) of wall thickness 3.25mm (RD2130 to 2475 ) with flange table-5

Providing circumferencial butt welded joints by electrical arc welding to GMS / MSERW pipe, welded in requisite number of weld runs so as to achieve the minimum effective throat thickness of weld conforming to IS: 816-1969 specifications, by using welding electrodes conforming to IS: 814-1991 at site of work complete in all respect including manual / mechanical handling of pipes in all leads and lifts and to the entire satisfaction of the Engineer-in-charge.

GMS tube 40mm dia (Heavy class) of wall thickness 3.25mm (RD 0 to 1050)

GMS tube 40mm dia (Medium class) of wall thickness 3.20mm (RD 1051 to 2475)

Providing laying and jointing including testing of as specified below GMS double flanged bend of all degree with gasket not less than 3mm in thickness conforming to IS: 2712-1985 for GMS pipe manfuactured from parent tube i.e. GMS pipe as per IS: 1239-1979 than pipe dia with welding as per relevant code. The flanges shall be conforming to IS: 6392-1971 as per table specified eblow in all respect and to the entire satisfaction of the Engineer-in-charge.

GMS tube 40mm dia (Heavy class) of wall thickness 4.05 mm with flange table-34 (RD 0 to 1051 mtr)

GMS tube 40mm dia (Medium class) of wall thickness 3.25 mm with flange table-28 (RD 1050 to 1620 mtr)

GMS tube 40mm dia (Medium class) of wall thickness 3.25 mm with flange table-17 (RD 1621 to 2130 mtr)

GMS tube 40mm dia (Medium class) of wall thickness 3.25 mm with flange table-5 (RD 2131 to 2475 mtr)

Providing and fixing double flanged cast steel non return valve of 40mm dia Kirloskar/ Leader make to rising main conforming to BS: 1868/ API-600 as per class ASA-300 and capable of with standing 52 kg/cm2 seat pressure with upto date amendements in all leads and lifts and to the entire satisfaction of the Engineer-in-charge.

Providing and fixing screwed type cast iron air valve of 25mm dia (single ball type) of Leader make conforming to BS: 1452-90 with upto date amendements as per class PN 1.0 to withstanding a seat pressure 11.22kg/cm2 in rising main in all leads and lifts and to the entire satisfaction of the Engineer-in-charge.

Providing,fixing and testing of microprocessor based fully pregrammable soft, starter suitable for induction mortor of 15 HP Kirloskar make or equivalent make certified by CE/UL/CSA suitable for Motor operating in 200-480 VAC, 3 phase ambient temperature of 25 Deg cen Ramp up time 0-20 secs, with in huilt bye pass system, fully programmable including all digital display connecting with motor etc. successfully. The starter should be offered with cabinet floor mounted soft starter cabinet of advance Engineer or equivelant make including panel board with accessories of reputed make with Ampmeter, volt meter, push button and single phase preventor complete. All digital display connecting with motor etc. and all connections needed to make the motor pum run successfully the equipment should be compatible / upgradable for use with future automation of the scheme

Providing, fixing and testingof floor mounted fully wired panel consisting of programmable Logic controller, of GE/ Proface/ equivalent make for Automation motor and pump control. The system will have multply timing setting option will have logs of total motor / pump runing. The caninet should have inbuilt light fan for ventilation 5A socked for Laptop.

Providing and fixing Level sensor / float switch for high and low level of water as per requirement and to the entire satisfaction of the Engineer-in-charge.

DISTRIBUTION SYSTEM

Laying, Jointing and testing galvanized mild steel tube screwed and socketed in trenches of following dia. including tube fittings such as bends, tees, reducers, unions etc. complete and to the entire satisfaction of the Engineer-in-charge (earth work in trenches to be measured and paid for separately).(GI pipe will be supplied by the department)

15mm dia

20mm dia

25mm dia

32mmdia

50mm dia

65mm dia

150mmdia

Providing and fixing full way brass wheel valve as per relevant code speificiation of superior quality in all leads and lifts and to the entire satisfaction of the Engineer-in-charge

20mm dia

25mm dia

32mm dia

50mm dia

Providing and fixing C.I sluice valve (with hand wheel) as per IS: 780-1984 PN-1 upto 300mm dia (i/c brass spindle and as per 2906-1984 class-II for dia> 300mm) complete with bolts nuts, rubber insertion etc.welding flanges gasket complete in all respect.

150mm dia

65mm dia

Constructing chamber for sluice valve, with CI surface box 100mm top dia, 160mm bottom dia and 180mm deep (inside) with chained lid RCC top 1:2:4 mix (1cement: 2saand: 4 graded stone agg. 20mm nominal size) 100mm thick foundation concrete 1:5;10 mix (1cement:5sand: 10 graded stone agg. 40mm nominal size) and inside plastering with cement mortar 1:3 (1cement: 3sand) finished with a floating coat of neat cement including curing complete.600x600x750mm inside size with 150mm thick walls of RCC 1:2:4 (1cement: 2sand: 4 graded stone aggregate 20mm nominal size) complete with form work and reinforcement with 6mm bars not exceeding 150mm ecentre to centre both ways.

Raman Thakur Govt. Cont.

HYDRAULIC ENGINEERING COMPANY

Surjeet Singh Thakur