PROPOSED CONSTRUCTION OF MUNICIPAL SCHOOL AT SANGAMPADA HEMRATNA SCHOOL NO. 16,28,38 AT. BHIWANDI FOR BHIWANDI NIZAMPUR CITY MUNICIPAL CORPORATION.

Excavation for foundation in carth , soil of all types , sand , gravel and soft munim , including ramoving the excavated material up to a distance of 50 m . beyond the building area and stacking and spreading as directod , downtering , preparing the bod for the foundation and necessary back filling , ramming , watering including shoring and strutting etc. complete . ( Lift upto 1.5 m . ) By Mochanical Manns Excavation for foundation gravel and soft munum , including 721/ 21.02

Excavation for foundation in earth ,soils of all types ,sand ,gravel and softmurum ,including removing the excavated material up to adistance of 50 metres beyond the building area ands tacking an dspreading a sdirected ,dewatering, preparing thebedforthe foundation and necessary back filling ,ramming ,watering including shoring and strutting etc. complete. (Lift from 1.5m to 3.0m) By Mechanical Means 723/21.04

Excavation for foundation in hard murum including removing the excavated material upto distance of 50 metres beyond the building area and stacking and spreadingas directed, dewatering, preparing the bed for the foundation and necessary back filling, ramming, watering including shoring and strutting etc. complete.(Lift upto 1.50m) By Manual Means 724/ 21.05

Providing soling using 80 mmsize trap metal in 15 cm. layer including filling voids with Crushed sand/grit, ramming, watering etc. complete. 754/21.40

Providing andlaying Castinsitu /Ready Mix cement concretein M15 of trap /granite /quartzite / gneiss metal for foundation and bedding/ steps including steel centering ,formwork, laying /pumping, compacting, roughening them if special finish is to beprovided ,finish in gunevenandhoneycombedsurfaceandcuringetc.complete.TheCementMortar1:3plasterisconsideredforrenderingunevenandhoneycombedsurface,only.Newlylaidconcreteshallbecoveredbygunnybag,plastic,tarpaulinetc.(Woodencenteringwillnotbeallowed.),withfullyautomaticmicroprocessorbasedPLCwithSCADAenabledreversibleDrumTypemixer/concreteBatchmixplant(Panmixer)etc.complete.Withfineaggregate(Crushed sand VSI Grade) 828/24.04

Item No. 6 :- Providing and laying Castin situ/ Ready Mix cement concrete M-25 of trap/granite/quartzite/gneiss metal for R.C.C. work in foundations like raft,stripfoundations,grillage and footings of R.C.C. columns and steel stanchions etc. including bailing out water, Steel centering, formwork, cover blocks, laying/pumping, compaction and curing roughening the surface if special finish is to be provided (Excluding reinforcement and structural steel) etc. complete, with fully auto maticmic roprocessor based PLC with SCADA enabled reversible Drum Type mixer/concreteBatchmix plant (Pan mixer) etc. complete. With fine aggregate (Crushed sand VSI Grade) 837 / 25.13

Filling in plinth and floors with contractors material /brought from outside and approved by Engineer incharge in layers of 15 cm to 20 cm including watering and compaction etc. complete. 751/21.37

Providing and laying Castin situ /Ready Mix cement concrete M 25 of trap /granite /quartzite /gneissmetal for R.C.C. columns as per detailed designs and drawings or as directed including steel centering, formwork, coverblocks ,laying /pumping, compaction finishing the formed surfaces with cementmortar 1:3 of sufficient minimum thicknes stogivea smooth and even surface or roughening if special finish is to be provided and curinge tc. complete, (Excluding reinforcement and structural steel). with fully automatic micro process or based PLC with SCADA enabled reversible Drum Type mixer/ concrete Batch mix plant (Panmixer)etc.complete.With fine aggregate (Crushed sand VSI Grade)

Providing and laying Cast in situ / Ready Mix cement concrete in M-25 of trap/ granite/ quartzite /gneissmetal for R.C.C .beams and lintels as per detailed designs and drawings or as directed including steel centering ,formwork, cover blocks, laying/ pumping, compaction and roughning the surfaceif special finish is to be provided and curinge tc.complete.(Excluding reinforcementan dstructuralsteel) .with fully automatic micro process or based PLC with SCADA enabled reversible Drum Type mixer/ concrete Batch mix plant (Panmixer) etc.complete.With fine aggregate (Crushed sand VSI Grade) 847/25.50

Providing and laying Castin situ /Ready Mix cement concrete M-20 of trap/ granite/ quartzite /gneissmetal for R.C.C .chajja as per detailed design and drawings including steel centering, formwork, cover blocks, laying / pumping, compacting and roughening the surface if special finishis to be provided and curing complete. (Excluding reinforcement and structural steel). with fully automatic microprocessor based PLC with SCADA enabled reversible Drum Type mixer / concrete Batch mix plant (Pan mixer) etc. complete. With fine aggregate (Crushed sand VSI Grade 856/26.05

Providing and laying Castin situ /Ready Mix cement concrete M-25 o ftrap/ granite /quartzite /gneissmetal for R.C.C.slabs and landings as per detailed designs and drawings including steel centering, formwork ,coverblocks, laying/ pumping, compaction finishing the formed surfaces with cemen tmortar 1:3 of sufficient minimum thickness to give a smooth and even surface or roughening if special finishis to beprovided and curing etc .complete, (Excluding reinforcement and structural steel) .with fully automatic micro process or based PLC with SCADA enabled reversible Drum Type mixer / concrete Batch mix plant (Panmixer) etc .complete.With fine aggregate (Crushed sand VSI Grade) 852/25.72

Providing and laying Castin situ/ Ready Mix cement concrete in M-25 of trap /quartzite/ granite/ gneissmetal for R.C.C. Waistslab ,and steps of staircases as pe rdetailed designand drawings or asdirected including steel centering ,plywood/ steel form work, steel props ,laying /pumping, compaction ,finishing uneven and honey combed surface with C.M .1:3 of sufficient minimum thickness to give a smooth and even surface orroughening the surface if special finish is to be provided and curing etc.complete.(Excludinge in for cement, including cover block) .(Newly laid concrete shall be covered by gunnybag, plastic, tarpaulin etc.) with fully automatic micro processorbasedPLCwithSCADAenabledreversibleDrumTypemixer/concreteBatchmixplant (Pan mixer) etc. complete. With fine aggregate (Crushed sand VSI Grade) 864/26.26

Providing and laying Cast in situ / Ready Mix cement concrete in M-20 of trap/granite/quartzite/gneiss metal for R.C.C. pardi of required thickness including steel centering, formwork, coverblocks, laying/pumping, compacting, curing, finishing and roughening them if special finish is to be provided and curing complete. (Excluding reinforcement and structural steel) .with fully automatic microprocessor based PLC with SCADA enabled reversible Drum Type mixer/concrete Batch mix plant (Pan mixer) etc. complete. With fine aggregate (Crushed sand VSI Grade) 860/26.17

Providing and fixing in position TMT - FE - 500 bar reinforcement of various diameters for R.C.C. pile caps, footings, foundations, slabs, beams columns, canopies, staircase, newels, chajjas, lintels pardis, copings, fins, arches etc. as per detailed designs, drawings and schedules. including cutting, bending, hooking the bars, binding with wires or tack welding and supporting as required complete. 871/26.33

Providing second class Burnt Brick masonry with conventional /I.S. type bricks in cement mortar 1:6 in superstructure including striking joints,raking out joints,watering and scaffolding etc. Complete. 892/27.05

Providing second class Burnt Brick masonry with conventional /I.S. type bricks in cementmortar 1:4 in half brick thick wall including mild steel longitud in al reinforcement of 2bars of 6mm diameter /2 hoop iron strips 25 mm X 1.6 mm placed at every third course, properly ben and bonded at ends scaffolding ,racking out joint san dwateing etc . complete. 893/27.06

Providing sand faced plaster externally in cement morta rusing approved screened sand ,in all positions including base coat of 15mm thickin cement mortar 1:4 using water proofing compound at 1Kilogram per cement bag curing the same for not less than 2days and keeping the surface of the base coat rough to receive the sand faced treatment 6 to 8mm thickin cement mortar 1:4 finishing the surface by taking out grains and curing for fourteen days scaffolding etc.complete. 963/32.11

Providing internal cement plaster 12mm thick in single coat in cement mortar 1:4 with out neeru finish to concrete or brick surfaces, in all positions including scaffolding and curing etc. complete. 958/32.04

Providing neeru finish to plastered surfaces in all positions including scaffolding and curing etc. complete. 966/32.15

Providing and layi g matt finish ceramic tiles of having size 30cm x30cm confirming to I.S. 15622 /2006 (group DII-A) and 7 to 8 mm thick for flooring in required position laid on a bed of 1:4 cement mortar including cement float ,filling joint with white /colour cement slurry cleaning curing etc. complete. 1011/33.24

Providing and laying ceramic tiles of having size 30 cm. x 30 cm .and confirming to corresponding I.S. for dado and skirting in required position with ready made adhesive mortar of approved quality on plaster of 1:2 cement mortar including joint filling with white/ colour cement slurry cleaning curing etc. complete. 1012/33.25

Providing and laying machine cut machine Polished Kota stone flooring 25 mm to 30 mm thick and required width in plain /diamond pattern on bed of 1:6 C.M .including cement float ,filling joints with neat cement slurry, curing, polishing and cleaning etc. complete.993/33.06

Providing and fixing Orissa type white glazed earthenware 575 mm water closet pan including S trap with arthenware foot rests ,cast iron soil and vent pipe upto outside face of the wall 1:2 :4brick bat lime concrete bedding without flushing tank and its accessories etc. complete. 1401/42.30

Providing and fixing European type white glazed earthenware coupled closet symphonic trap with symphonic low level white glazed 10 litre scistern with black backlite seat with all necessary pipe connection etc. complete. 1405/42.34

Providing and constructing Brick Masonry Inspection Chamber 60 cm x 45 cm With R.C.C. raft in B.C. soil area including cost of reinforcement, 1:2:4 cement concrete channel shal froundG.S.W.pipes,Brick Masonry,plastering from inside and airtight 75mm thick R.C.C. cover medium duty 100 Kilogram etc. complete. 1387/42.16

Providing and fixing wall hung white wash basin of size 550 x 400 x 195 mm with pillar cock having flow rate up to 6.0 Litr/ Minute ,C.P. Angular stop cock long thread of Jaquar/ Cera /Hindware/ Perryware or equivalent make, including SS bottal trap of approved make etc complete as directed by Engineer incharge. (Make shall conform to manufacturer's Green product and shall got approved from the Engineer In Charge.) 1684/48.32

Providing,laying and fixing P.V.C. pipe of 25 mm dia. with fittings such as bends ,tees ,reducers ,clamps, etc. including necessary excavation, trench filling etc. complete. Including removing existing pipeline i fnecessary and conveying and stacking the same in PWD chowky or as directed etc. complete.1394/42.23

Providing and fixing ISI 1729/2002 grade 75mm dia Cast Iron Waste Water Pipe with lugs

necessary fittings such as bends ,tees ,single junction, double junction,slotted vent, offsets on wall or in to the ground including filling joints with cement mortar 1:2 proportion fixing on wall by means by galvanised Mild Steel bracket of 30x5mm plate and 8mm square rod with Galvanised Iron clamp with washer as per design drawing and as directed to keep pipe 50mm away from wall including necessary scaffolding and painting the exposed faces with one coat of red lead oil paint and two coats of gray oil paint including removing the existing pipe ifnecessary and conveying and stacking in PWD Chowky or as directed by Engineer-in-Charge. 1513/43.42

Providing and fixing 15 mm dia .screw down bib/ stop tap of brass including necessary socket union nut complete. 1334/41.40

Providing and fixing screw down for 25mm dia. Wheeled stop tap of brass including necessary sockets/union nut complete. 1339/41.45

Providing and fixing H.D.P container one piece moulded water tank made out of low density polythyler and built corrugation including of delivery up to destination hoisting and fixing of accessories such as inlet,outlet overflow of all tanks capacity above 1000 to 20,000 litres. 1425/42.54

Providing and fixing in position U.P.V.C. (Unplasticized Poly Vinyl Chloride)having multi-chambered outer frame section (73x50) mm withan outer wall thickness of 2mm & steel reinforcement, multi - chambered slider frame (73x60) mm with steel reinforcement, multi- chambered slide rsash (46x82) mm with steel reinforcement designed to give optimum strength, 5mm thick toughened double glass with 12mm spacer of good quality including alluminium track, Inter-locking profile, coextruded beadings ,EPDM gaskets, silicon sealent, sliding handle, fixtures and fastenings (couplings ,hinges) including with all required screws and nuts with all necessary U.P.V.C .sections as per the detailed drawing and as directed by Engineer- In -Chargeetc. complete. 1640/48.22

Providing and fixing inposition after hoisting ,precast 1:2 cement mortar reinforced jali 50mm thick with 3mm diameter mild steel ba rreinforcement ,of approved design on both side, fixing in cement mortar 1:3 and curing etc. complete. 881/26.46

Providing and fixing frame with /without ventilator of size as specified with Country cutteak wood for doors and windows including chamfering ,rounding ,rebating ,iron hold fast of size 300mm x 40mm x 5mm with oil painting, etc. complete. 1194/39.01

Providing and fixing solid core flush door shutter in single leaf 32mm thick decorative type of exterior grade as per detailed drawings approved face veneers 3mm thick on both faces or as directed, all necessary beads ,mouldings and lipping, wrought iron hold fasts ,chromium plated fixtures and fastenings, with brass mortiselock, chromium plated handles on both sides, and finishing with French Polish etc. complete. 1202/39.09

Providing and fixing mild steel grill gate with angle ironframe 65 mm x 65 mm x10 mm with iron bars at 150mm C/C and diagonal flats as per the detailed drawing including hinges, pivot block locking arrangement, weldin griveting and oil painting of three coats of approved shade Weight of gate 35 Kilogram/Smt.1525/44.10

Providing and fixing green marble of 18 to 20mm thick for door frame /dado /window boxing etc.On C.M.1:6 including filling joints with polymer base filler nosing /moulding the sharp edges wherever necessary, curing, etc. complete. 1035/33.48

Providing and fixing in position (as per1868 /1982) Alluminium sliding window of three tracks with rectangular pipe 95x38.10x0.90 mm at weight 0.637 Kilogram /One Running Metre. with window frame bottom track section 92 x 31. 75 x 1.30mm at weight 1.070 Kilogram/ One Running Metre. .Top and side track section 92 x 31.75 x 1.30mm at weight 0.933 Kilogram/ Running metre. The shutter should be of bearing bottom 40x 18x 1.25mm at weight 0.417 Kilogram / One Running Metre. Inter locking section 40x18x1.10mm at weight 0.469 Kilogram/ Running metre .and handle and top section 40x18x1.25mm at weight0.417 Kilogram/ Running metre. As per detailed drawings and as directed by Engineer incharge with all necessary Aluminium sections fixtures and fastenings such as roller bearing in nylon casting and self locking catch fitted in vertical section of shutter including 5mm thick plain glass and aluminium mosquitonet shutter with stainless steel jail with all required screw sand nuts etc, complete .With colour Anodising with box. 1234/39.41

Providing and laying machine cut machine polished machine cut Kota stone slabs 20to25mm thick for treads and risers of steps and staircases ,with rounded nosing for the treads on abed of 1:4 cement mortar including cement float, filling joints with neat cement slurry, curing, polishing and cleaning etc. complete. 1005/33.38

Providing cement based water proofing treatment to terraces (Indianwaterproofingoralike) with brick bats laid in required slope to drain the water for any span after cleaning the base surface. Applying a coat of cement slurry admixed with approved water proofing compound and laying the brick bats on bottom layer inC.M.1:5 admixed with approved water proofing compound filling up to half depth of brick bats, curing this layer for 3days, applying cement slurry over this layer joints of brick bats withC.M.1:3 admixed with approved water proofing compound and finally top finishing with average 20mm. thick layers of same mortar added with jute fiber at 1Kilogramper bag including finishing the surface smooth with cement slurry admixed with approved water proofing compound. Marking finished surface with false squares of 300mm x 300mm. marking the junction at the parapet rounded and tapered top for required height, with drip mould at the junction of plaster and parapet and curing and covering 10 years Guarantee against leakproofing on Court fees stamp paper of Rs.500/- includinging ponding test etc complete.940/31.04

Water Proofing Providing water proof bodding for flooring of Bath and WC 25 mm thick in CM . 1.3 including per manufacturers using approved water proofing compound in specified propertion as specifications for par bag of canent including leveling , curing and covering 10 years guarantee on court for stamp paper of Rs 500 / - including ponding test etc. complete . 941/31.05

Providing and fixing mild steel gril lwork for windows, ventilators etc. 20 Kilogram/One Square Metre as per drawing including fixtures, necessary welding and painting with one coats of anticorrosive paint and two coats of oil painting complete. 1291/40.01

Providing and fixing Modular false ceiling of 600 x 600 mm center to center and 13 mm thick square mineral fiber board to be fixed on frame work of alluminium sections for suspended false ceiling consisting of alluminium T2 ”x 1½” (50 mm x 40 mm ) weighing 0.39 Kilogram /mat 60 cms center center and fixed with ½” x ½ ” (15 x 15 mm ) flanges weighing 0.19 Kilogram /m suspended on 6 mm dia mild steel rod weighing 0.22 Kilogram/m, fixed on wall and beams includig rounding of the edges with alluinium T of 2” x 1 ½” (50 mm x 40 mm ) weighing 0.39 Kilogram /m etc. (allalluminium sections shall be anodized) including all labour, material, lifts etc. complete.1192/38.52

Medium Height Partition @ 1800/1200HT TILE BASED PARTITION SYSTEM: -Tile based Aluminum partition system of 1800/ 1200 mm ht. made of 60mm thk aluminum frames having two sep

arate race ways for laying electrical & computer wiring. The wire management shall bethrough to the race way to be fitted at bottom of partition and other immediately below of work top with hook on type raceway cover for easy access of wires. Frames to be joined by aluminum connectors with M6 x 16 pan-head machin screw and washer with aluminum postcover. Postcover of snap on fashion to be connected on aluminum connectors .All visible aluminium to be in anodized finish. The top /exposed sides of the frame and post sshould be covered with horizontal /Vertical trim and caps made of Aluminumin anodized finish in order to enhanceitslook .Uppe rtiles of partition to be in Soft Boardor Marker tile of 9mm .thk .,and prelaminated partical board lower tiles in laminate finish of 9mm. thk. on both the sides. 1850/51.25

Providing & Fixing in position ,Carpet more than 800+ gsm, mad ewith 100% stain proof fibre sofa pproved make along with 5mm underlay as per Architectural & Acoustical Design & Instructions & Complete in all a spects including all materials labour, finishing etc complete. 1838/51.13

Executive's Table @ 1800Lx900Dx750HT Providing & Fixing of Table @ 1800 Lx9 00 Dx 750 HT- TOP & GABLEEND to be made of Membrane finish with soft water fall edges & curved panel & Decorated Anodized section MODESTY PANEL to be made of 18mm thick Prelaminated particle board with PVC edge band as per drawing. 1846/51.21

Free Standing Table @ 1500Lx600Dx750 HT Providing and fixing Table of Size 1500x600x 750mm. Top :made from 25mm Prelaminated Particle board. All edgesa recovered by2mm.Thk.PVC edge bands glued by hot melt glue applied by auto edge banding machine. Legs: C Shape made from CRCA Sheet with Powder Coat finish .Modes typanel :Madef rom 18mm both side prelaminated particle boards.All edges are covered by 0.8mm PVC edge bands glued by hot melt glue applied by aut oedge banding machine.KEYBOARD TRAY (WITHOUT MOUSETRAY):-Metal Powder Coated-Black Color,CPUT ROLLEY:-Metal Powder Coated-Blac kColor ,3 DRAWER PEDESTAL UNIT having over all size 392 L x 450D x 680 Ht .mm. with central lock and key. Drawers and body are complete metal with powder coat finish, faciain 18mm prelaminated particle board. 1851/51.26

Providing & Arrangemnt of High BackChair-TILT MECHANISM WITH MULT ILOCKING, HIGH DENSITY CUSHION ON SEAT COMPOSITE LEATHER WITH METALLIC SILVER FINISH BASE AND ARMS WITH PU. CASTORS GASLIFT FOR HEIGHT ADJUSTMENT.1866/51.41

Providing & Arrangemnt of Mid Back ,ECO CTS Mechanism ,Fixed Armrest, Gaslift for Seat height adjustment, Standard 5-prong P/Nylon Base with Fabric Upholstery. 1868/51.43

Full Height Steel Storage @ 750L x 450D x 2100 HT Providing and fixing Openable Steel Storage of 750x450x2100 Ht, with 4 adjustable shelves, Complete body & shutter made in 0.8mm thick & Top in 2mm thick CRCA, 4 Shutter to be mounted with the help of cuphinges, and 4 adjustable levelers, enitre storage in powder coated finish with 60 to 80 microns as as per drawing. 1862/51.37

Public Seating Chair. - 3 Seater Providing and Fixing 3seater Public seating chair made of complete metal with Legs in Crome finish and seates in silver powder coating finish. 1869/51.44

Providing and applying two coats of flat oil paint of approved colour and shade to internal /external plastered surfaces including scaffolding if necessary,cleaning and preparing the surface (excluding primer coat) etc. complete.1082/35.12

Providing and applying plastic emulsion paint of approved quality, colour and shade to old and new surfaces in two coats including scaffolding, preparing the surface.(excluding the primer coat)etc. complete. 1107/36.12

Providing and applying two coats of exterior weather shield paint of approved manufacture and of approved colour to the plastered surfaces including cleaning, preparing the plaster surface,applying prime rcoat,scaffolding if necessary, and watering the surface for two days etc complete. NOTE: ForItem One Number 15 to 18 prior approval of Superintending Engineer will be necessary. 1095/35.26

Providing and erecting 1.2meter high wire fencing with five rows of barbed wire supported on mild steel angle ( 50 x 50x 6mm) post at 2.5 m c/c including excavation of pits of foundation concrete fixing the posts in(1:4:8) cement concrete block of 45x45x45cm and fastening the Wires and painting the angles with one coat with red lead primer and two coats of oil painting etc.complete. 1528/44.13

Providing and fixing lioghtening conductor system comprising of erecting Air Terminati on consisting of tubular copper rod of 25mm dia .1.2mm thick with multiple point shead 1.2mt. long ( Heavy Duty) welded or clamped to G.I. pipe pole B grade 50mm dia of requiired length with M.S. round bnase plate 25 Cm dia m and 10mm thick at bottom embeded incement concrete 1:3:6 dfoundation of size 45 cm dia m x 45 cm Height and providing earthing with copper earth plate of size 60 x 60 x 0.3 cms with cadmium plated nut bolts to fix earthing strip burried in specially prepared earth pits 1.5metre belowground level with 40 Kilogram charcoal and salt with altemate layers of charcoal and salt and G.I. pipe 40 mm dia 2 meter length burried in earth eup to earthling plate remining portion above ground level for watering and refilling comcpete Note-Copper strip fropm lightening conductor is not considered in this item. 1533/44.18

Providing and fixing double scaffolding system(cup lock type) on the exterior side of building /structure, including additional rows of scaffolding in stepped manner as perrequirement of site, made with 40mmdia M.S. tube, placed 1.5metre centre to centre ,horizontal & vertical tubes joint with cup & lock system with M.S . Tubes ,M.S. tube challis, M.S .clamps and staircase system in the scaffolding for working platform etc . and maintainingit in a serviceable condition for execution of work of cleaning and/ or pointing and/ or applying chemical and removing it thereafter. The scaffolding system shall best if fened with bracings, runners, connecting with the building etc, wherever required, if feasible, for inspection of work at required locations with essentia lsafety features for the workmen etc.,complete as per directions and approval of Engineer-in-charge. Note:-(1) The elevation al area of the scaffolding shall be measured for payment purpose. (2)The payment will be made once only for executionof all items for such works.1578/46.42

Providing and applying 2 coats of 100% Pure acrylic low VOC and APEO & HCHO free water based paint of approved colour that belongs to class 1 flame spread resistance of approved make Paint should provide durable and long lasting silk finish with a high crack tolerance of up to 1mm. Paint should have anoustanding washability with high resistance to wide range of bacteria and fungus. Paint has to be applied on smooth and uniform surface prepared by anacryliccopolymerlowVOC&Odourputty. This surfaceshouldbeprimedwith waterbased lowVOCPrimer.Theworkactivity should cover all aspects of applying paints fromsurface preparation as directed by Engineer in charge.1630/48.41

Sliding Window-3 Track (2Glass shutter + 1 flymesh) of approved make with DGU, providing and fixing of Sliding Window-3Track (2Glass shutter +1 flymesh) . For details refer to Specifications. As directed by Engineer in charge. 1641/48.23

RWH- Shallow Percolation Pit providing, constructing 2.0m deep shallow depth per colation pit comprising of 1.0m dia pre-cast RCC rings, 300 mm thick side filling around outside of RCC rings (annular space) with 40 mm size boulders including filling of per colation pit up to 0.5m depth (from bottom up) with 25-75 mm clean washed gravels followed by 0.5m depth of 10-25 mm of clean washed stones followed by 0.5m of washed river fine aggregate (natural sand/crushed sand VSI grade finely washed etc.) including net lonmesh between each gravel /fine aggregate (natural sand/crushed sand VSI grade finely washed etc.)media layer including covering with RCC slab, manhole frame & cover, PVC rungs etc. including arrangement for inlet & outlet pipe,excavation &

back fillingass hown in the drawing.Therate shall be inclusive of all labour, material, wastage, scaffolding, transportation, taxes, including all leads, lifts at all levels. All material should be of approved make. All works completeas per the drawing, technical specification and direction of the Engineer in charge. 1662/48.46

add 5% corporation charges

add 18 gst

ELECTRICAL WORK(B1FORM)ATTACHED