SPL REPAIRS OF BLDG NO P07 (MI ROOM) AT 1 (I) RO FLT UNDER GE RANCHI

Demolition of cement concrete (unreinforced) of any description and in any position not otherwise specially provided for

M&L for 75mm thick PCC type C2 1:3:6 (using 40mm graded stone agg) as in plinth protection/Path/floor finishing surface of concrete topping even and fair without using extra cement complete.

Demolition of cement concrete (reinforced) of any description and in any position not otherwise specially provided for

M & L for RCC (1:2:4) type B-1using 20 mm graded stone aggregate as in slab supported on wall ,Chajjas,deck slab Shelves/tank staging etc.

Use & waste frame work to sides and soffits of floor or roof slab, chajjas not exc 200 mm thick (Horizontal or sloping) rough finished complete.

M & L Mild steel bars 10mm dia TMT Bars and over,cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with theincluding mild steel wire (annealed) not less than 0.9mm dia or securing with clips.

Demolition of brick wk masonry built in cement mortar incldg all quoins arches pillars etc

M&L brick work with sub class ‘B’ old sized bricks, straight or curved on plan exc 6m mean radius built in cement mortar 1:6

M&L Brick work with sub class 'B' Brick straight or curved on plain to any radius in half brick thick wall built in cm 1:4

Dismantling floor, hearth or wall tiling includiing cemenet mortar bedding, removing serviceable tiles to store and rubbish off the premises.

M&L screed bed or bedding layer of mortar 15 mm thick for laying floor finishes in CM 1:6 for fixing tiles.

M&L Vitrified ceramic tiles 10mm thick (square/rectangular) area of each tile not exceeding 0.36 sqm, in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match complete.

Description all as per ser item No 12 above but as in verticle surface or skirting complete.

M&L Non skid ceramic joint free coloured tiles 7-8 mm thick (square or rectangular) area of each tile exc 0.18 Sqm but not exc 0.38 Sqm in floors etc. Set and jointed in neat cement slurry and pointed in white or coloured cement. to match as in floors.

M&L screed bed or bedding layer of mortar 10 mm thick in CM 1:4 as backing coat for laying tiles in dado , on brick or concrete surfaces

M&L for glazed ceramic coloured tiles in vertical surfaces 350 X 250X 7/ 450x350x7mm thk set and jonnted in cement slurry and pointed in white or colour cement to match complete.

Demolition of stone slabs and tiles laid dry or laid dry and pointed of any description or thickness in floors, aprons etc

M&L Granite 18 to 20 mm thick (of any type )work (table rubbed and polished) in steps, jambs, pillars, window cills, cooking platform and like in cement mortar (1:4) including pointing in white cement (1:2) using marble dust with admixture of pigment to match with shade of granite complete all as directed

M&L screed bed or bedding layer of mortar 20 mm thick for laying floor finishes in CM 1:6 for fixing tiles.

M&L for machine cut kota stone slab 20-25mm thick over cement screed base laid and jointed with grey cement slurry mixed with pigment to match the shade of the slab including circular cutting,chamfering of edges as required.

Taking down cement plaster of any description on brick or stone walls etc. including raking out joints, hacking for key, scrubbinng down with water, etc.

M&L rendering 10mm thick in CM 1:6 on fair faces of brick work , finished even and smooth without using extra cement.

M&L rendering 15mm thick in CM 1:4 on fair faces of brick work , finished even and smooth without using extra cement.

M & L preparation of new plastered surface of wall and applying two coats of oil bound distemper over a coat of 1mm thick wall care putty complete.

M & L preparation of complete removal of existing treatement from old plastered surface of wall and applying two coats of oil bound distemper over a coat of 1mm thick wall care putty complete.

M&L for applying Two coats of 100% Premium acrylic emulsion paint having VOC less than 50gm/litre and UV resisteance as per IS 15489:2004, Alkali & Fungal resistance, dirt resistance exterior paint of required shade ( Company Depot tinted) with silicon additives @ 1.43 litre /10 sqm over and including priming coat of exterior primer appplied @ 0.90 litre /10sqm over a coat of wall putty on new plastered wall surfaces incl preparation.

M&L for applying Two coats of 100% Premium acrylic emulsion paint having VOC less than 50gm/litre and UV resisteance as per IS 15489:2004, Alkali & Fungal resistance, dirt resistance exterior paint of required shade ( Company Depot tinted) with silicon additives @ 1.43 litre /10 sqm over and including priming coat of exterior primer appplied @ 0.90 litre /10sqm over a coat of wall putty on old wall surfaces incl complete removal of existing treatment.

Taking down existing chowkats or frames, without taking out shutters from the frame, n exc 1.5 Sqm

Taking down existing chowkats or frames , without taking out shutters, from the frame, exc 1.5 Sqm but not exc 4 Sqm each,

Taking down shutters of any description Area .exc 1 sqm but n exc 2 sqm each

M&L for pressed steel frames for doors with one or more rebates including necessary supply and fixing lugs, hinges, lock strike plate etc. complete, of frame size 125 x 60 mm, including one shop coat of red oxide zinc chrome primer complete all as specified

S&F pressed steel frames for doors with one or more rebates including necessary fixing lugs, hinges, look strike plate etc completed, as spd size of frame 105x 60mm.

S&F factory made solid PVC moulded door shutter, 28 to 30mm thick (style), with particle board core and 2, 4 or 6 raised panel design with 2mm thick moulded prelam PVC sheet on the front face & 2mm thick plain colour PVC sheet on back face, supplying & fixing in frame at site as per specification & drawing.

S&F powder coated anodised/aluminium frame of size 65mm x 38mm x 1.00 thick or appropriate section as directed including with frame standard section for sliding type windows /ventilatorss with one or more rebates including joining cleats, beading, handle with locking arrangement, rubber gasket for fixing etc complete with and including 5.5 mm thick tinted glass n.exc 1 Sqm each panes (window of frame 3 tract wt not less than 0.50kg/RM and shutter having wt not less 0.45kg/RM) all as specified and directed

M/L Steel window with side hung shutter including projecting type hinges with steel handle and steel peg stay, complete with glazing bars, dove tailed or welded (including two nos tower bolts 125mm in each leaf and one nos MS flate iron 25x 3mm handle in each leaf.

M/L Steel window with side hung shutter including projecting type hinges with steel handle and steel peg stay, complete without glazing bars, dove tailed or welded (including two nos tower bolts 125mm in each leaf and one nos MS flat iron 25x 3mm handle in each leaf.

S & F as in repairs Steel ventilator with top hung shutter including hinges steel peg stay, complete.

Hacking out old broken glass any thickness, size, quality or description, from metal/wooden frame including punching or drilling out old glazing pins and removal of demolished material from site.

S&F 3 mm thick sheet glass, ordinary quality and glazing with oil putty/ glazing pins/spring clips in square n exc. 0.5 sq. m in each pane

S&F 4 mm thick figured glass, pin head type and glazing with oil putty in squares n exc 0.5 Sqm in each pane

M&L for Stainless Steel wire cloth for 0.56 mm nominal dia of wire & average width of aperture 1.18mm fixed with tinned tacks or galvanised wire staples etc

M&L for in repair Stainless Steel wire cloth for 0.56 mm nominal dia of wire & average width of aperture 1.18mm fixed with tinned tacks or galvanised wire staples etc

S&F in repair Harrison rails (Curtain rails), mild steel, chromium plated including with supply & fixing brackets, stops, rollers with endcaps etc.

S&F in repair aluminium anodised tubular towel rail 20mm dia D Type, 60 cm long between flanges complete all as directed

S&F 100 mm size butt hinges of medium weight cold rolled mild steel

S&F extruded steel alloy handles, fabricated type, size of handle 150 mm,

S&F steel alloy 200mm long barrel tower bolts of extruded section,

S&F steel alloy, slidnig door bolt with hasp and staple and fixing clips of sheet, cast or extruded section, and fixing bolts and sliding bolts of electrogalvanised plate and bright bolt and fixed length of bolt 300 mm.

S&F mild steel 300 mm ordinary rat tail rod pattern springs including roller and roller plate complete

Cutting chases, pinning in making good to facings where required and pointing in cement mortar 1:3 in brick walls for concealed water tubing, cutting not exc 10cm girth

Taking up or down 20 mm steel tubing and connections including cleeaning for refixing or removal to store complete all as directed.

S/F for 25mm dia of CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings on walls/ceiling or laying in floors complete all as specified.

Taking up or down 15mm steel tubing and connections including cleeaning for refixing or removal to store complete all as directed.

S/F for 20mm dia of CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings on walls/ceiling or laying in floors complete all as specified.

20mm CPVC Brass Elbow for 'hot or cold' water supply connection and similar works etc,.

20mm CPVC Brass Tee for 'hot or cold' water supply connection and similar works etc,.

Dismantling of wall and ceiling board any thickness/description including cover fillet .

S&F for Anodised Aluminium snap grid size 605x604mm frame work for false ceiling all as specified and directed by Engr-in- charge.

M&L 4mm thick non asbestos fibre cement designer building board of size 600X600 fixed or laid/inserted to timber/GI/Aluminium framework fixed in ceiling flat or sloping.

Dismantling timber scantling 40 sqcm and over in section in any position in framed work complete.

S&F for Steel work in tubular trusses including embeded in concrete with special shaped washer etc. complete using ERW or induction butt welded tubes conforming to I. S.1161-1979 grade St.-240 complete Fe 410-W(Gde E-250) quality-A.

S&F for Roof trusses (framed), trusses, purlins, crane gantries, rails and fastenings and heavy bracket framing (Beam, tee, angle, channel or flat sections) incl distance pieces, cleats etc complete Fe 410-W(Gde E-250) quality-A.

S&F Mild steel Flat iron as fillet complete all as specified.

S&F framed work such as grills, gratings etc. with ends of bars shouldered and or riveted or forged into spikes, framed guard bars, barred iron doors, ladders, framed balusters, walk ways, railings, frame work of water tanks and similar work conforming Fe 290, Gde -E -165

M&L in repair for 75mm dia PVC (SWR) trap , plain with grating including jointing with solvent cement.

S&F in repairs PVC valve less,low level flushing cistern ,10 ltr capacity, white symphonic action with inlet, ball valve, float and handle including 32mm PVC flushpipe and brackets

S&F in repair 15mm dia bib taps,cast copper alloy chromium plated fancy type with crutch or butter fly and screwed for iron pipe or for brass ferrule and fixed.

S&F in repair brass chromium plated wall mixer with 'hot and cold' arrangement, long shank suitable for 15 mm bore of pipe of approved quality as approved by EIC.

S&F in repair brass chromium plated Basin mixer with 'hot and cold' arrangement, long shank suitable for 15 mm bore of pipe of approved quality as approved by EIC.

Supply only 15mm bore pillar taps chromium plated cast copper allow fancy type with screwed shancks and fixed.

S&F in repairs stop valves fancy type of 15 mm dia chromium plated long shank and cup (concealed type) screwed both ends for iron pipes or for unions.

S&F in repairs stop valves (angle cock) fancy type of 15 mm dia chromium plated screwed down, high pressure, with crutch or butter fly handle screwed both ends for iron pipes or for unions.

S&F PVC connection 450mm long with two brass end complete all as specified

S&F in repairs Brass Chromium plated shower rose with swivel joints, 125 mm size, including fixing to stel pipe or union

S&F PVC (SWR) 110mm bore dia pipes single socketed, in any length with rubber ring joints, fixed to walls including taking out old PVC unserviceable pipes complete all as specified and directed.

S&F PVC (SWR) 110mm bore bends with access door

S&F PVC (SWR) 110mm bore junction single, (Single T) equal or unequal

S&F PVC (SWR) bends 110mm bore

S&F PVC (SWR) vent cowl 110mm bore

S&F PVC (SWR) 75mm bore dia pipes single socketed, in any length with rubber ring joints, fixed to walls including taking out old PVC unserviceable pipes complete.

PVC (SWR) bends 75mm bore

M&L for preparation of new steel surafces of any description not otherwise described, over 10 cm width or girth, priming with a coat of red oxide primer and applyinng 2 coats of synthetic enamel paint of approved shade all as specified and directeed by EIC

M&L, applying two coats of synthetic enamel paint over a coat of pink primer including preparation of newly wooden surfaces of any description exc10cm width or girth not otherwise described complete.

S&F in repairs sink with drainage board made of stainless steel 1mm thick kitchen with plug washers and waste coupling and pipe incl cantilever brackets and connecting union to pipe overall size 915x460mm, bowl size 410x330x160 mm.

S&F stainless steel plate rack 1mm thick of size 750X600mm and depth 250 mm , fixed on wall surface as per manufacturer's instruction and making good the surfaces .

Supply & fixed in repairs Vitreous china white wash hand basin flat back of size 550x400mm, with plug washers and waste coupling cutting for and pinning ends of brackets.

S&F in repair vitreous china pedastal type watre closet, white (excluding flushing cistern and flush pipe) but including connection to trap, and to flushing pipe, anti-syphonage pipe etc complete and making good to floor.

S&F in repairs Health fauset (ABS Body) mild steel chromium plated suitable for 15mm dia pipe with 1.25 meter long flexible tube and ABS wall hook incl making connections and fixed in position complete in all respect as specified.

S&F in repair plastic water closet seat cover, white or black, closet pattern with recessed bottom, and cover and mild steel steel chromium plated or aluminised hinging device complete.

S&F 32 mm dia waste/flush pipe for urinal and WHB complete.

M&L Providing, cement concrete type B1 1:2:4 (20 mm graded aggreate) in filling of pressed steel frame, coping, fixing of hold fast and water troughs and the like including weathering etc similar work complete.

Dismantling water tanks Capacity in Exc 500 & n exc 1000 litres and removing to store

S & F Rotational moulded polyethlene water storage tanks (cylindrical vergical with closed top) Capacity in 1000 litres hoisted and fixed in position all as specified in SSR Part I.

S&F 20 mm dia ball valves high pressure PTMT with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe or brass ferrule

S&F Gun metal globe or Gate valves 20 mm bore with iron wheel head, screwed both ends for iron pipe or for pipe or for unions and fixed.

M&L for PCC type C2 1:3:6 (using 40mm graded stone agg) as in surface channels, drains and similar works etc .

M&L extra for forming fair finishing to drain or channel, 30 cm inner girth in cement concrete, with using extra cement, including forms, moulds, mitred/stopped ends etc complete all as specified and directed

Dimantling Plain or corrugated steel sheeting,any gauge, thickness, including Nainital or similar pattern roof coverings.

S&F prepainted galvalume aluminium zink coating GI based corrugated/ semi - corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering fixed with coach screw as per manufacturers instrution complete.

S&F for pre-painted galvalume aluminium zinc coating GI based plain steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering /cladding to wall and ridge,fixed with self tapping srews complete.

Taking down copper /aluminium point wiring (light, fan, bell,socket or power) complete including fixture and fittings such as switches , ceiling roses , pendent , regulators, sockets, light fitting etc. Removing materials to store for taking credit and making good distrubed surfaces of walls, floors etc complete all as specified and directed at site.

Taking down old/unserviceable distribution board by disconnection of electric connection carefully SPN DBs/TPN DBs/ Main Switch including old unserviceable MCCBs/ MCBs, Isolators, etc and making good to disturbed surface complete all as specified and directed.

Taking down ceiling fan/ exhaust fan and refixing of any sweep after disconnecting all necessary electrical connections from ceiling rose to fan, fan blades complete all as specified and as directed.

M & L for Point wiring using approved colour coding as per IS, with multistranded copper conductor 1.5 Sq. mm (nominal area), two single core, PVC insulated and unsheathed FRLSH cable 1100 volts grade ISI-694 marked drawn through in and including heavy duty, PVC concealed conduit of white/ ivory colour including all accessories after chasing in wall/ceiling etc, heavy duty ISI marked, with GI sunken boxes 1.2 mm thick, 60 mm deep with earth dolly duly, covered with modular white cover plate with inner frame suitable for modular switches, including PVC insulated multistranded copper conductor 1.5 Sqmm (nominal area) single core FRLSH cable as earth continuity conductor to common earth and connecting to earth dolly including cutting, chasses and making good disturbed surface to match with existing finish with plaster complete all as specified and directed for the following :- (Note: Rate of modular cover plates are deemed to be included in the rate quoted)

One light point controlled by one, one way switch 5 Amps

One fan point/ exhaust fan point controlled by one, one way switch 5 Amps and regulator

One 3 pin 5 Amps switch socket outlet point controlled by one switch on the same board.

One 3 pin 5 Amps switch socket outlet point controlled by one switch on independent boad.

Description all as per ser item No 106 here in before but using 2.5 sq mm single core copper conductor cable FRLSH of multistranded PVC insulated unsheathed 1100 volts grade for 5/15 amps switch socket cobmination point including necessary running of 2.5 sq mm FRLSH copper conductor cable PVC wire as earth continuity conductor along with wiring and connecting to the common eath dolly.

Description all as per ser item No 106 here in before but using 4.0 sq mm single core copper conductor cable FRLSH of multistranded PVC insulated unsheathed 1100 volts grade for power point including necessary running of 4.0 sq mm FRLSH copper conductor cable PVC wire as earth continuity conductor along with wiring and connecting to the common eath dolly.(for AC Point)

S & F for Ceiling rose, surface Bakelite with 3 terminals, ISI marked for batten fitting complete all as specified

S & F for Modular Switch piano flush type, single pole, one way, and 5/6 Amp single module complete all as specified.

S & F for Modular Switch piano flush type, single pole, one way, and 15/16 Amp single module complete all as specified.

S & F for Modular Socket outlet multipurpose having provision for 3 pin, 5/6 Amp and 2 pin, 5/6 Amp, 2 module piano flush type complete all as specified.

S & F for Modular Socket outlet multipurpose having provision for 3 pin, 15/16 Amp and 3 pin, 5/6 Amp, 2 module piano flush type complete all as specified.

S & F for modular step type fan regulator 120 watt 2 module suitable for 230 volt 50 Hz AC supply complete all as specified and as directed.

S & F for sheet metal enclosure MCB DB TPN 4 way Vertical type with 200 Amps rated bus bar 415 volts double door with magnitic locking system including necessary provision for inserting the DBs in wall by cutting the brick/stone masonary etc and making good of distrubed surface to match with existing colour of wall complete all as specified and as directed.

S & F MCCB TPN 415 volts 25 KA suitable for fixing on DB of capacity 63 Amps, 4 pole (ICS=100%ICU) with extended terminals complete all as specified.

S & F for sheet metal enclosure MCB DB SPN 12 way with 200 Amps rated bus bar 240 volts double door with magnitic locking system including necessary provision for inserting the DBs in wall by cutting the brick/stone masonary etc and making good of distrubed surface to match with existing colour of wall complete all as specified and as directed.

S & F for sheet metal enclosure MCB DB SPN 8 way with 200 Amps rated bus bar 240 volts double door with magnitic locking system including necessary provision for inserting the DBs in wall by cutting the brick/stone masonary etc and making good of distrubed surface to match with existing colour of wall complete all as specified and as directed.

S & F for sheet metal enclosure MCB DB SPN 4 way with 200 Amps rated bus bar 240 volts double door with magnitic locking system including necessary provision for inserting the DBs in wall by cutting the brick/stone masonary etc and making good of distrubed surface to match with existing colour of wall complete all as specified and as directed.

S & F for MCB Single pole and neutral rated capacity 40 to 63 Amps, 240 Volts breaking capacity 10 KA, 'C' curve complete all as specified and as directed.

S & F for MCB Single pole rated capacity 5 to 32 Amps, 240 Volts breaking capacity 10 KA, 'C' curve complete all as specified and as directed.

S & F for Decorative wall mounted luminaire made out of polycarbonate with unbreakable globe suitable for LED bulb and provision of LED bulb 9/10 watts complete all as specified and as directed. Make Havells , Philips, Bajaj.

S & F for Lamp holder, PVC body suitable for batten fitting completes all as specified.

S & F for Highly efficient LED Bulbs, 9/10 W complete all as specified and directed

S & F for LED mirror light 9/10 watts batten aluminium extruded with decorative end caps complete all as specified and as directed. Make- Bajaj Havells, Philips.

S & F for Energy saving new generation 9/10 watts LED bulk head fitting IP 65 luminaire with opel diffuser pre wired necessary mounting arragements, provision of new 3 core multistranded copper conductor of size 23/0.193 from ceiling rose to fitting including LED bulb complete all as specified and as directed. Make :-Havells Bajaj Philips

S & F for recess mounted 2' x 2' square LED panel 36 watts, 600x600mm size, sleek design aluminium housing, polycarbibate diffuser white powder coated finish operating voltage 140 volts - 270 volts, AC, 50 Hz complete all as specified and as directed.

S & F for wall mounted LED tube light fitting 20 watts batten for surface mounted, anodized extruded aluminium housing, high transmissitivity diffuser, high lumen ouput box type fitting, 230 volts and integrated electronic driver connector block etc complete with all accessories internally pre wired and necessary mounting arrangements, provision of new 3 core multistranded copper conductor of size 23/0.193 from ceiling rose to fitting complete all as specified and as directed. Make :- Make Bajaj Philips, Havells.

S & F Energy saving new generation environmental friendly long life versatile pressure die cast aluminium ip 66 for building security light fitting luminare with high power LEDs as light source and electronic driver of capacity 35 watts with pre wired and necessary mounting arrangement and provision of 2.5 sq mm three core copper conductor cable multi stranded from ceiling rose to light fitting including necessary dia GI pipe medium grade bracket 1.5 mtr long bend to required shape with clamps, nut, bolts complete all as directed by Engineer-in-charge.Make:- Bajaj, Philips, Havells

Supply and lay cable XLPE Insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 35 Sqmm 4 core

Excavation in trenches n. exc 1.5 m wide & n. exc 1.5 m in depth for laying under ground cables/erection of pole and getting out in hard/dense soil, complete all as specified.

Returning, filling in including spreading, leveling, watering and well ramming in layers not exceeding 25cm thick complete all as specified.

Removal of excavated surplus material (Soil) to a distance n.exc 50 mtr and depositing where directed at a level n.exc 1.5mtr above the starting point complete all as specified.

M&L for Sand filling in cable trenches for cable protection with clean dry sand unwashed including gently put in trenches and laid in two layers 8cm beffore laying the cable & 15 cm after laying the cable punned upto 18 cm thickness will be measured complete all as specified and directed.

S&F for old size brick well burnt, laid flat, for cable protection complete all specified and directed.

M & L for Sub main wiring with approved colour coding as per IS with two single core PVC insulated FRLS cable with stranded copper conductor of size 4.0 Sqmm nominal area and drawing into PVC non metallic rigid heavy duty PVC conduit of white/ ivory colour and its accessaries ISI marked heavy duty of suitable size concealed in wall etc including one run of PVC insulated 4.0 sqmm (nominal area) stranded copper conductor FRLS cable as earth wire complete all as specified and as directed. Note:- Two runs of 4.0 sqmm cable,one run of 4.0 sqmm cable and one run of PVC casing caping will be measured as one unit

S & F for metal clad box suitable for 230 volt 50 Hz AC supply three pin with MCB SP 20/32 Amps including removal of old unserviceable one complete all as specified and as directed complete all as specified and as directed

S & F for metal body exhaust fan, AC single phase, 240 V of size 225 mm sweep 1380 rpm with louvers including necessary connection and replacement of flexible copper cable from ceiling rose and M&L for making hole and proper finishing the surface as existing before and taking down of old unserviceable fan complete all as specified and as directed

M& L for earthing complete with galvanised steel earth plate electrode 600 mm x 600 mm x 6 mm thick buried directly in ground (earth pit not less than 2.25 meters deep below normal ground level) with top edge of plate not less than 1.5 meter below normal ground level connected to galvanised earth wire 4mm dia by means of steel bolts, nuts, check nuts and washers all as shown in electrical plate No 3 of MES Schdule Part-I connected to earthing point and testing on completion with and including 15mm bore light grade GI protection pipe (upto 7.5 meter beyond outer edge of earth pit) PCC pit in mix 1:3:6 type C-1 with RCC 1:2:4 type B-1, 40 mm thick cover reinforced with 8mm dia TMT bars 3 Nos both ways with lifting hook made out of 6 mm dia bar, watering arrangement with funnel and wire mesh and 20 mm bore medium grade GI watering pipe common salt and charcoal filling, necessary excavation and earth work complete