Design , Engineering and Construction of Storm Water drain to prevent water logging in and around Sydenhams Road in Cooum Basin in Zone 5.

Amount

Picking existing black top surface - 2 to 5 cm thick including all labour charges (BRR-605)

Earth work excavation in all soils and sub soils for foundations excluding refilling with initial lead of 10 m and lift of 2 m.(BD-357)

Providing CC.1:4:8 with 40mm B.G.jelly for foundation including cost and conveyance of all materials and labour charges for ramming, curing, and finishing etc., - 1 Cum(BD-418 (M1))

Supplying and erecting centering for sides and soffits including supports and shuttering upto 3m high for plane surface such asside slabs of RCC boxing and similar vertical RCC slab etc. withall cross bracings using mild steel sheets of size 90x60cm and 10gauge stiffened with welded mild steel angles of size 25x25x3mm for boarding laid over Oak (country wood) joists of size 10x6.5cm spaced at about 90cm centre to centre and supported by casuarina props of 10 to 13cm dia spaced at 75cm centre to centre etc. complete (BD-432D)

Supplying and placing of Ready Mix M20 Graded of Concrete confirming to IS 456/2000 for Reinforcement Cement Concrete Structural elements under controlled water cement ratio using 20mm and down graded machine broken granite stone jelly including transportation and pumping excluding cost of centering and shuttering and reinforcement but including curing, finishing etc as directed by departmental officers (BD-879 (M1))

Supplying and fabricating RTS / TMT STEEL rods including cutting, bending hooks, cranking, fabricating, assembling and laying in exact position,typing with soft steel wire 16 gauge ,etc., complete conforming to BIS std. (BD-431)

Refilling with excavated earth in regular layers of 15cm thickeach including carefully ramming watering consolidating etc. complete for foundation and basement. (BD-361)

Carting away the surplus earth/debris to a lead of 12km.including Loading, unloading and dumping in the Corporation Land as directed during execution (BD-355A)

Supplying of 160mm dia PVC pipe with ISI Monogram (working pressure 6kg/cm2) for sanitary pipes (PWD 366 1(l))

Supplying and fixing of PVC pipe of 20mm dia (PVC Finolex or Equivalent with ISI Monongram with working pressure of 10Kg/Cm2) for replacing water pipes (BD-681A)

Providing Iron Barricading of size 2m width and 1 m height with 40mm dia MS Tubular pipe for vertical supports on both sides and three lines of barricading with 25mm size MS tubular square pipe and 0.60 x 0.45 m size and 20 gauge M.S.sheet for name board including Cutting Welding fabrication charges and one coat of primer and 2 coats of enamel paint of approved quality with fixing of indication sticker and necessary interlocking arrangements with adjoining units and placing the barricading units as directed at the site for a period of 28 days. (SWD 24)

Construction of cast -in- situ Silt Catch Pit With Rain Water Harvesting Structure of inner size 600 X 600 x 600 mm including necessary earth work excavation including providing foundation in PCC 1:5:10 under walls 150mm thick and cutting the existing storm water drain of size 300 x 150mm for fixing 2 Nos of 160mm dia PVC pipe on the storm water drain mouth, with RCC cast in situ wall of size 120mm in RCC 1:1.5:3 with steel of 10.60 kg including fixing Ductile Iron grating hinged with frame Clear opening of size 600 x 600mm of class C-250 (Heavy Duty 25MT) - completing the finishing work etc., cost per each number. Using Hand Bore Set drilling of bore hole of 300mm dia upto 4.35m depth including shifting of the hand bore from one place to another place within 5 km and filling in with 40mm HBG metal with 200mmdia pvc pipe 6kg/cm2 (SWD 30)

Construction of cast -in- situ Silt Catch Pit of inner size 450 X 450 X 450 mm including necessary earth work excavation including providing foundation in PCC 1:5:10 under wall 150mm thick and fixing vertical grating of size 450mm x 155mm x 30mm on the storm water drain mouth with RCC cast in situ wall of size 120mm in RCC 1:1.5:3 with steel of 9.25 kg including fixing FRP Grating Cover with frame of size 550 x 550mm (clear opening 450 x 450mm) -10 MT -completing the finishing work etc.

Supplying and fixing of 24" FRC manhole cover with frame 600mm dia clear opening heavy duty as per IS:12592/2002. The frame & cover shall bear a non fracture load of 20MT for 30seconds with frame height of 165mm, cover height 90mm, Bearing (Seating area of cover)75mm with Hot Dip Galvanizing Hook of cover 16mm, frame edge protection flat of size 25 x 3mm exposed surface of M.S. rings shall be painted with anti corrosive bitumastic paint (SWD 5)

Supplying and fixing of FRP manhole door with cover 900mm dia (cirucular) Heavy Duty (20 - MT) load capacity of approved brand confirming to BSEN – 124:1994. Product shall have top abrasion resistant layer of decorative grey granite finish confirming to test performed as per IS – 15658:2006. It shall also confirm “Permanentd with anti corrosive bitumastic paint

Hire charges for Dewatering - Diesel Pumpset above 3HP to 7.5 HP with fuel and crew charges including transportation (Hire charges -2)

Towards the hire charges for providing temporary approach platforms to the residences near execution site including the cost of fabrication,placing properly across the drains ,removing the same after the work is complete etc as directed by Engineer in charge. The approach platform will be made of 2.40mx1.20m - 6mm MS sheet fabricated with 75mmx40mm MS Channel-2.0m at bottom on all sides of sheets length wise and 50mmx6mm MS flats of 0.70m length at 500 mm centre to centre in tranverse direction including fixing MS flat drilled on corners of channel suitable for joining the next sheet with bolts and nuts including cost of materials,fabrication charges etc complete (SWD 31)

Dismantling of RCC Slab (reinforcement is being co...er Drain - Steel is declared unfit for use (SWD 1)

Extra Labour for RCC precase works including mould...sition,etc.,complete as directed furing execution

Providing and laying in position ,Standardised Concrete Mix M-30 Grade in accordance with IS :456-2000,using 20mm and down graded hard broken granite stone jelly for all RCC items

Providing and laying, spreading and compacting graded stone aggregates to Wet Mix Macadam 250 mm thick specification including premixing the materials with water at OMC in mechnanical mix plant carriage of mixed material by tipper to site laying in uniform layers with pavers in Sub Base/ Base course on well prepared surface andcompacting with vibratory roller to acheive the desired density including cost of material, labour charges, rentals for machinery, fuel and all other incidental charges etc., complete as per clause 406 of MORTH Rev-5 (This Rate Is Applicable Only If Work Is Done During Night)

Providing and laying Prime Coat 7Kg/10 M2 With Bitumen Emulsion (Slow Setting) Including Cost of Bitumen emulsion At The Site Including Labour Charges For Preparing The Surface And Applying Required Quantity of Bitumen Emulsion As Prime Coat Using Bitumen Sprayer Etc. Complete Over Wet Mix Macadam As Per Clause 502 of Mort & H Specifications. (This rate is applicable only if the work is carried out during Night.)

Providing and laying Tack coat over the existing bituminous surface using 2.0 kgs of bitumen emulsion (Rapid Setting 1) per 10 Sq.m area including cost of bitumen emulsion at the site, including labour charges for preparing the surface, and applying the required quantity of bitumen emulsion as Tack Coat using bitumen sprayer etc. complete as per Clause 503 of RT&H Specifications Rev.5 (This rate is applicable only if the Work is carried out during NIGHT)

Providing and laying 50mm consolidated thick bituminous macadam using 0.20 cum for 26.50-13.20mm, 0.43 cum of 13.20-2.36mm and 0.08 cum of 2.36mm & below size IRC metal with 37 Kgs of VG30 bitumen for premixing per 10sqm including cost and conveyance of all materials to CMP site, heating the bitumen and aggregate to required temperature and mixing them in required temperature in central hot mix plant 20-30 ton capacity, conveying the mix by tipper trucks to paver site, spreading the mix to uniform thickness of 50mm with mechanical paver to the specified grades and cross sections and consolidated by 8-10 tonne Vibratory Roller to the required density etc., including labour for attending to paver to site etc., including hire charges and fuel charges for 20- SQM 419.25 410.00 399.25 labour for attending to paver to site etc., including hire charges and fuel charges for 20- 30 t CMP with bitumen boiler, tipper trucks, paver finisher, Vibratory roller and all other tools and plant required, including fuel and all other incidental charges etc., complete as per specification using CMP as per clause 504 of MORTH Rev-5 (This Rate Is Applicable Only If The Work Is Carried Out During Night)

Providing and laying Bituminous Concrete to 30 mm thick using 0.13 cum of 19.00-9.50mm,0.17 cum of 9.50-2.36mm and 0.26 cum of 2.36 and below with 50.30 kgs of VG30 bitumen for premixing per 10sqm including cost and conveyance of all materials to CMP site, heating the bitumen and aggregate to required temperature and mixing them in required temperature in central hot mix plant 20-30 ton capacity, conveying the mix by tipper trucks to paver site, spreading the mix to uniform thickness of 40mm with mechanical paver to the specified grades and cross sections and consolidated by 8-10 tonne Vibratory Roller to the required density etc., including labour for attending to paver to site etc., including hire charges and fuel charges for 20-30 t CMP with bitumenboiler, tipper trucks, paver finisher, Vibratory roller and all other tools and plant required, including fuel and all other incidental charges etc., complete as per specification using CMP as per clause 507 of MORTH Rev-5 . (This Rate Is Applicable Only If The Work Is Carried Out During Night).

Providing And Laying of Hot Applied Thermoplastic Compound 2.5 mm Thick Including Reflectorising Glass Beads @ 250 Gms Per Sqm Area, Thickness of 2.5 mm Is Exclusive of Surface Applied Glass Beads As Per Irc:35 The Finished Surface To Be Level Uniform And Free From Streaks And Holes Etc Completed As Per Mort& H Specification No.803

Providing And Fixing Reflective Road Studs of Category a Raised Pavement Markers Made Out of Poly Carbonate / Methyl Methecrylate /Abs Moulded Body Conforming to astm D 788 And Reflective Panels With Micro Prismatic Lens Capable of Providing Total Internal Reflection of The Light Entering The Lens Face With Retro Reflectance And Chromaticity Values Conforming to astm D4280. The Reflective Raised Pavement Markers Shall Also Confirm To The Morth Circular No Rw/Nh. 33023/10/97- Do.Iii Dt 11.06.97. The Height, Width And Length Shall Not Be Less Than 15mm, 90mm And 100mm And With Minimum Reflection Area of 13 Sq.m On Each Side And The Slope To The Base Shall Be 35+/-5Degree Each Reflectors Shall Have A Cil Not Less Than Values Specified In Table 2 of Said Morth Circular. The Strength of Deteachment of The Integrated Cylindrical Shanks, (of Diameter Not Less Than 19+/-2Mm And Height Not Less Than 30+/-2Mm) From The Body Is To Be A Minimum Value Of 500Kgf. Fixing Will Be By Drilling Holes On The Road For The Shanks To Go Inside, Without Nails And Using Epoxy Resin Based Adhesive As Per Manufacturer’S Recommendation And Complete As Directed By The Engineer.The Marker Shall Support A Load Of 13635Kg Tested In Accordance With Astm D4280 And Confirming To Irc 35- 2015 Guidelines And .2 Year Manufacturers Warranty For The Satisfactory Field Performance To Be Submitted To The Engineer Incharge For Payment Processs As Mort&H Specification 804 Etc., Complete

Supply and Erection of 630 - 11 KV/433 V, 3 Phase 50 Hz,oil immersed natural air cooled, core type Continuous rating outdoor distribution Transformer with copper winding arranged for DY 11 connection with with neutral brought out LV Side.The Transformer should be confirming to IS: 2026 with off load tap Switch for +5% and -10% in steps of 2.5% on HV Side.The Transformer Shall be Supplied with first filling of oil as per Is:335 consisting of fittings and accessories confirming to I.S shall be provided.

The M.V in water proof enclosures control panel shall be of floor mounting or wall mounting type, vermin and dust proof, modular type consisting of the following accessories and controls. The control panel shall be of enclosed type and built with compartmentalised modular type cubical. All cubicals shall be constructed from 14 SWG, MS sheet at the bottom and rear and 12 SWG MS sheet at front. The panel Board shall have removable rear cover hinged front door fitted with knobs. Ther interior and exterior of the panels and compartment shall be treated with one coat of primer and two coats of stove enamelled light grey shades. The SB is to be supplied with 4Nos of aluminium bus-bars with ample carrying capacity, properly sleeved with colour code.Provision for Automatic running of Pumpset with suitable sensors located as desired so that the pump will operate when sewage level crosses MWL and switch off the Pumpset when sewage level crosses LWL.

1250A Four Pole MCCB for Transformer

800A TPN ACB for DG Set.

Set of indicating lamps 1no.

250A TPN MCCB to control supply to the motors

100A MCCB for capacitor bank

32A MCCB as spare - 1no

Supply, delivery and laying of 3 core 95 Sqmm HT-11KV aluminium cable PVC insulated PVC Sheathed armourd cable as per standard specification IS 3961/6 from EB supply point to Transformer primary side.

3R x 3.5 core 400 sqmm aluminium cable PVC insulated PVC Sheathed armourd cable from Transformer secondary to main distribution board and DG Set.

3 core 185 sqmm aluminium cable PVC insulated PVC Sheathed armourd cable from MDB to Pumps through Control panel.

3 core 50 sqmm aluminium cable PVC insulated PVC Sheathed armourd cable from MDB to capacitor.

3 core 10 sqmm aluminium cable PVC insulated PVC Sheathed armourd cable from Strater to dewatering Pump

4 core 6 sqmm aluminium cable PVC insulated PVC Sheathed armourd cable for out door lighting.

Laying and jointing of HT 11KV cable -XLPE insulated armoured aluminium Conductor cables

Laying of Cables following sizes

up to 95 sq. mm

95 to 240 sq.mm

240 to 400 sq.mm

Cable glands of following sizes

up to 95 sq. mm

95 to 240 sq.mm

240 to 400 sq.mm

Wiring with 2x1.5sqmm (22 / 0.3 ) PVC insulated single core unsheathed copper conductor cable of 1100V grade in suitable heavy gauge MS conduit pipe on wall and ceiling with MS accessories with MS switch Box and 5A F.T. switch with painting of suitable colour continuous earth wire connection of 14 SWG TC wire for light point / Fan point (For Electronic Regulator etc., completed as per standard specifications

Supply and fixing of single box type 4'40 W fluorescent light fitting complete with copper choke and condensor with TW round blocks on wall or ceiling with flu tube with PVC unsheathed Copper leads from terminals to the fitting etc., completed as per standard specifications

Wiring with 2x4sqmm (56/0.3mm) PVC insulated SC unsheathed Cu. Cable conductor cable of 1100V grade in suitable heavy gauge M.S.conduit pipe on wall and ceiling with M.S.accessories with 150mm x 100mm x 75mm MS switch box for 15A 3 pin non interlocking CS plug with painting of suitable colour,with continuous earthwire connection by 14 SWG TC wire for open power plug point etc., completed as per standard specifications

Supply and erection of 6m height GI Steel tubuler pole for street light with single bracket pole and bone plate (250 X 250 X 6mm) 76.10 OD x 3.65mm thick x 6m length.

Supplying and fixing of 48W LED street light fittings including cost of ISI make fittings with all accessaries and labour chargs etc., complete as per standards specification.

Supply and fixing of 1200 mm sweep energy efficiency ceiling fan complete with electronic regulator, down rod, fixing hooks and etc.

Provision of Safety Equipments as per IS with latest ameded including cost of conveyance stocking charges etc., complete as per standard specification and directed by the Engineer in Charge.

Fire extinguishers 5 kg chemical powder type

Caution Board

First aid box Metallic

Shock Treatment Chart

Hand Gloves

Rechargeable Emergency lamp

Supply and provision of TNEB HT supply using LTCT metering box asper IE rules and TANGEDCO norms Suitable fuse cariyer unit fitted on teak wood board

Supply and delivery of Vertical water statically, dynamically, hydraulically balanced turbine pump capable of discharging the following duty condition as given below due to all causes with surface discharge head confirming to IS 1710 and as amended as on date with accessories as per IS 5120/1977 (Reaffirmed 2011 ) to suit the site condition. The speed, No. of stages, sizes of column pipes and line shaft indicated is based on site condition prevailing during investigation. The pump should be supplied with non reversible ratchet pin housing safety clutch, suction strainer etc. The Pump Bowl assembly shall be with bronze impeller running at 1450 rpm. The pump includes suitable head shaft, suitable 1.5 metre long SS line shaft required Nos. to suit the well depth, Rubber line shaft bearing of required Nos., C.I Bearing retainer of required Nos., 100 litre HDPE Pre- lubricating tank with 20mm PVC Rigid pipe connection along with GM gate valves, Suitable ERW column pipe of each 1.5m long of required Nos. to suit the well depth, Suction bell mouth of suitable size, M.S. clamps suitable for column pipe/line shaft -2 set and Spanner - 1 set etc complete

45200 LPM. capacity @ 10 mts of total head for each Pump (Parallel working)

Supply and delivery of 100kW vertical Solid shaft Squirrel cage induction motor (IS 325 / IS 12615) suitable for the above pump continuous rated TEFC/SPDP type with Class 'F' insulation for operation in AC, 3 Phase/50 HZ (±5%), 415V (±10%) running with a speed of pump noted above and with inbuilt thrust bearing assembly capable of taking up the entire load and non - reverse ratchet assembly etc., complete. The motor rating noted above is the minimum and shall be such that it should never be over loaded when the pump works at MWL condition and shall be 10% over and above the maximum HP absorbed by the pump. The motor offered should be energy efficiency motors to have maximum efficiency at high power factor. Separate thrust bearing assembly could also be supplied to take up the down load.

Supply and delivery of submersible centrifugal sewage non-clog pumps, vertical spindle type pump , wear resistance with submersible motor for the various duty conditions as stated in the annexure. Pump shall be capable of handling min 100 mm solid size with sewage specific gravity of up to 1.05. Pump shall be of robust construction . Liquid passages shall be finished smooth and designed as to allow free passage to solids. Pump Impeller should be of Non-clog semi open type , single vane / multi vane preferably contra bloc or vortex impeller design. Double mechanical seal with silicon carbide faces should be provided to protect the motor from ingress of sewage along the shaft. The critical speed of the rotor shall be at least 30% above the operating speed. Pumps to have double bearings between the pump & motor. The bearings life shall be minimum 100,000 hrs of operation with greased for life. Pump should be provided with automatic coupling device including pedestal, duck foot bend, stainless steel guide pipe or related accessories of suitable size to facilitate lifting and lowering into guide rails for easy maintenance. Pump shall be provided with a stainless steel lifting chain conforming to BS 970 Gr 304. Pump speed shall be of 960 for high duty pumps and 960/1450 rpm for low duty pumpsets .

Casing and impeller should be of CI Gr. FG 260 :IS210 more preferably with hardened impeller. Shaft should be of stainless steel AISI 410. All the fasteners and bolts shall be of AISI 410.The submersible motor shall be operated with 3 ph , 415 V( + or – 10 % ) , 50 Hz ( + or - 5 % ) dry induction type. Motor shall be capable of giving rated output without reduction in the expected life span when operated continuously. The rotating assembly shall be dynamically balanced as per standards. The starting current of the motor shall not exceed 200% of rated full load current for Star / Delta or ATS starting under any circumstances. The motor shall be suitable for full voltage star delta / ATS starting. The locked rotor current of the motor shall not exceed 600% of full load current unless otherwise specified. Motor shall be designed to withstand 120 % of rated speed for two minutes without any mechanical damage , in either direction of rotation.

The motor vibration shall be within the limit specified in applicable standards . Motor should be of IE2, explosion proof compatible for VFD operation together with star-Delta / ATS starter, protection against increase in stator winding temperature (15 deg Celsius) , bearing temperature, leakage in the stator housing and terminal box shall be provided and to be suitably interlocked with the control panel for tripping the pump in case of increase in temperature beyond set limit. Insulation class shall be of “Class H” and degree of protection shall be of IP 68 as per IS 4691. Motor shall be suitable for continuous operation in fully submerged or partially submerged condition.The pumpset shall be supplied with power cable of PVC insulated and PVC sheathed , copper , flexible ,round type with required conductor size and number of cores as per starting method and of specified length for continuous use under water and air. The control cable of PVC insulated , PVC sheathed , flexible for stator winding temperature sensor 3 core x 1.5 sq.mm copper conductor and for bimetallic switches 2 core x 1.5 sqmm copper conductor shall be provided. Motor shall be supplied with 10 mts of round submersible copper cable of suitable size.

20 cum/ hr. capacity @ 10 mts of total head

Supply , Delivery and fixing of 600mm dia. DI D/F Butterfly Valves with GGG400/12 or equivalent grade as per IS 3896 (part 2) 1985 and subsequent revisions double ecentrically disc with renevable soft seal on the disc and body seat face of stainless steel / nickel weld overlay microfinished with powder or liquid epoxy coating with minimum thickness of 250 microns applied on both body and disc inside and outside face to face dimensions as per AWWA C 504 or BS 5155 or IS 13095 - PN16

Supply and Delivery of 100mm dia. DI D/F Gate Vaves (Soft seated) resilient seated soft sealing gatte valves (sluice valves) with body bonnet of ductile cast iron of grade GGG 40 or equivalent grade, wedge fully rubber lined with EPDM, replaceable spindle nut, without gland packing and with 3 O-Ring protection on the shaft and seals of NBR and the valves should be of vaccum tight and 100% leak proof with face to face dimensions as per EPR BS 5163-89/ISI 14846-2000/DIN 3202 F 4. All the valves should be with electrostatic powder coating both inside and outside with pocketless straight through body passage. All the valves are to be compatible for burried application with pressur rating PN 10/16

Manufacture, supply and delivery of 600mm dia DI D/F Slanted seat Tilting Disc Swing Check Valve in single piece body and closed eye disc construction. Hemisherical disc with 59 degree inclination for fast open and closing. Corrosion proof and wear resistent(triple offset) disc face & body seat face, both made of fusion bonded Nickel Chromium weld overlay and microfinished. Body and disc of ductile cast iron GGG-40, medium free(dry) shafts of stainless steel and bearings of Zincfree Bronze, Valve should have provision for internal damping unit for reducing the effects of water hammer/surge, if required at later stage. Electrostatic epoxy powder/liquid coating(EP-P) inside and outside color blue RAL 5005 with minimum coating thickness of 150 microns. The EPDM rubber & Epoxy Powder should be approved by W 270.(EP-P it isa resi-coat powder approved for drinking water application, applied through fusion bonding technology process by dipping the shot-blasted casted components heated upto 200deg C). Face to face dimensions as per EN 558-1 series 14 and flange connections as per EN 1092-2/I - PN16

Supply of following size and length of all flanged Ductile iron PN10 Pipes as per IS 8329/2000 with latest amendments including lead and lift including cost of labour, cost of all materials including taxes, duties, etc., transporting, HOM of machineries complete as per Standard specifications and direction of Engineer - in - charge and approved drawings.

600mm D/F PN10 Pipe

100mm D/F PN10 Pipe

200mm D/F PN10 Pipe

Supply of following size and length of all flanged Ductile iron Specials as per IS 9523/2000 with latest amendments including lead and lift including cost of labour, cost of all materials including taxes,duties, etc., transporting, HOM of machineries complete as per Standard specifications and direction of Engineer - in - charge and approved drawings.

Fixing DI specials of mechanical jointing of different sizes after setting into the pipe line system including cleaning & introducing rubber gasket to proper alingment & tighting with bolts & nuts. The cost includes transporation of materials, tools & palnts etc.,complete as per instructions of the Engineer in charge and approved drawings.

600 mm dia

100 mm dia

Supply, delivery and fixing Pressure gauge (with150mm dia. dial) on the discharge piping with all necessary copper tubing and fittings as per standard practice.

Ladder inside the container. Providing anodized aluminium ladder, using 65mm x 32 mm (approx.) 'C' section x 3.0mm for ladder side channels and 25mm dia, flutal pipe for Rungs at 250mm c/c ladder fixed at an angle of 70 degrees to horizontal including necessary 25mm dia., G.I. shutters with necessary G.I. fasteners for bracing the ladders to the tank walls to prevent buckling of the ladder with necessary (M-15) bed for embedding the ladder bottom including lead and lift and as per the specification and instructions of the Engineer in charge and approved drawings.

PUMPING MAIN:

Lowering DI pipes and specials into the trench and laying to proper grade and alignment as per the Specification and as directed by Departmental Engineers

600 mm DI flanged Pipe

200 mm DI flanged Pipe

Jointing the DI Double flanged pipes and specials with rubber insertion to the required specifications with M S bolts and nuts, etc,. complete (including cost of jointing materials)

600 mm DI flanged Pipe

200 mm DI flanged Pipe

Constructing masonry chamber use Sulphate resistance cement of inside dimensions as mentioned below with Country Brick, brick work in CM 1:5 (1 cement : 5 coarse sand) for Scour valve, with CI Surface box 100mm top diameter, 160mm bottom diameter and 180mm deep (inside) with chained lid and top RCC Precast slab 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate of 20mm nominal size) with necessary earth work excavation including refilling the sides of foundation, foundation concrete 1:5:10 (1 cement : 5 coarse sand : 10 grade stone aggregate 40mm nominal size) and inside plastering with CM 1:5 (1 cement : 5 coarse sand) 12 mm thick finished with a floating coat of neat cement, complete as per standard design and shown in the drawings.

1.2x1.20m clear dimension

Supply and delivery of the following sizes Scour Valve arraengements with DI Sluice valve as per IS 14846/2000 PN 1.0 with ISI marking including necessary fittings etc,. Complete.

200mm dia. Scour valve in 600mm dia. DI Main

Supply and delivery of the following sizes Sluice Valve arraengements with CI Sluice valves non Raising Spindle Types to pressure rating of 1.6 PN with ISI marking (Long body ? Long Face to Face) as per IS and latest amendment including necessary fittings etc,. Complete. - with spur gear arrangements

Design, Engineering , Hydrological modeling, Structural services

V.S.CONSTRUCTIONS