REPAIR / MAINTENANCE OF WATER SUPPLY INSTALLATIONS AND CONNECTED WORKS AT AF STN ADAMPUR.

Amount

Excavation in trenches in soft/loose soil not exceeding 1.50 metre wide and not exceeding 1.50 metre in depth; for taxi track,PCC path / road / laying for pipe line etc. not exceeding 10 sqm on plan and getting out complete, all as specified.

Returning filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick each, after the pipes have been laid and tested complete, all as specified.

Removing excavated spoil to a distance not exceeding 50 metre and depositing where directed at a level not exceeding 1.5 metre above the starting point complete, all as specified.

Boring holes under roads, paths, hardstanding, pavements, runway, taxy track of any desciption by trenchless technology using ultrasound technique or by maual bring method of hole technique for passing pipe lines of the followig size: -

15 to 50 mm bore.

More than 50 mm bore.

NOTES APPLICABLE TO SERIAL ITEM 1 TO 4: (a) Excavation work shall be carried out manually only. (b) LT/HT cable, water supply/ sewage/telephone lines, if any, get damaged during excavation & earthwork, demolition of PCC shall be repaired by the contractor immediately as per existing specifications to the entire satisfaction of Engineer-in-Charge.

Cleaning of RCC over head tank draining out water / sludge from tank, removing all scales, dirt , algea and other growths from the floor, roof and from mouths of circulating pipes by rubbing with the wire brushes and high pressure cleaning method with rotary sets with approved detergent and sucking out all dirty water by vacuum cleaner, disinfecting the over head tanks with approved chemical solution for making surface bacteria free and finaly cleaning with fresh water to the satisfaction of Engineer-in-Charge including painting MS plate manhole covers suction pipe rugs etc with anti corrosive paint and writing outside tank as ''TANK CLEANED ON'' and capacity on black painted surface including removing all dirt outside MD land complete of following capacity and staging: -

10000 gallon staging up to 15 metre height.

15000 gallon staging up to 15 metre height.

20000 gallon staging up to 20 metre height.

150000 gallon staging up to 20 metre height.

25000 gallon staging up to 25 metre height.

50000 gallon staging up to 25 metre height.

150000 gallon staging up to 25 metre height.

Cleaning of RCC under ground tank draining out water / sludge from tank of capacity 15000 gallon and 4 metre depth, removing all scales, dirt , algea and other growths from the floor, roof and from mouths of circulating pipes by rubbing with the wire brushes and high pressure cleaning method with rotary sets with approved detergent and sucking out all dirty water by vaccume cleaner, disinfecting the over head tanks with approved chemical solution for making surface bacteria free and finaly cleaning with fresh water to the satisfaction of Engineer-in-Charge including painting MS plate manhole covers suction pipe rugs etc with anti corrosive paint and writing outside tank as ''TANK CLEANED ON'' and capacity on black painted surface including removing all dirt outside MD land complete.

Dewatering and cleaning of sewage well / drainge water well any type any shape including removing of durty muddy / sewage / drainage water along with unwanted nonperishable items i.e polythene bags, PVC scrap, PVC bottles, shells, gum boots, wooden pieces and other floating materials etc and including removing complete wet type sludge formate / wet muddy formate from the inside of under ground well / tank and also connected entrance chamber area & hole area of well any type / size / depth and clean up to the last bottom level of well complete with all respect and disposal out / carrying out by manually or mechenically system to the wet sludge / muddy formate along with all type off floating material burried / carry out outside MD land complete for under ground well sump of size:-

6.5 dia and 6 metre depth.

1.5 dia and 6 metre depth.

NOTE APPLICABLE FOR SERIAL ITEM 6 & 8:- (i) All required T&P for cleaning of RCC over head tank / under ground sewage, water sump and other safety equipment required for working of manpower shall be arrange by contractor under own arrangement without any extra cost to the Dept. (ii) The contractor shall soley responsible for any mishap,accident and other mishappening to workmen during working time and setting all claims of workmen as per the labour commissioner or court law and the rates quoted by the contractor shall deemed to be included for this aspect and nothing extra shall be payble on this account. (iii) The contractor provided sufficient more nos labour for cleaning of overhead tank under ground sump within the given time period by depaetment. No such type of delay reason are not accepted due to shortage of labour for cleaning of over head tank / under ground sump.

Chemical analysis including micro biological examination of water sample obtaining from bore well at pump house No-1 to 12 under GE (AF) Adampur. Collect the sample as per standard operating procedure from bore well as chemical and microbiological as per the IS specification. NOTE:- (i) The complete analysis report should be submitted within specific period. (ii) Bore well should be test by NABL approved lab as approved by GE.

Cast Iron Sluice valve flanged Type, class PN 1.6, ISI marked (IS- 14846-2000) complete with brass spindle flanged both ends drilled CI gate with brass ring and iron wheel handle complete all as specified with & including necessary flanged joints & jointing material, IN REPLACEMENT suitable for DI/CI pipe of size: -

80 mm bore

100 mm bore

150 mm bore

Cast Iron 150mm dia butter fly valve wafer Type, class PN 25 with S.S-304 disc, body S.G iron, lever operated, Nitrile / EPDM rubber lining seat test pressure 2.5 Mpa, ISI marked , IN REPLACEMENT complete.

Steel tubes ‘medium grade’, ISI marked, galvanized with all fittings, laid in trenches including taking up or down existing unserviceable steel tubing and connections, complete all as specified, of size as under: -

15 mm bore

20 mm bore

25 mm bore

40 mm bore

50 mm bore

80 mm bore

NOTE:- Excavation and earthwork, will be measured and paid for separately under respective item of BoQ.

Gun metal globe/gate valve, with iron wheel head, ISI marked (IS:9890), screwed both ends for GI tubes, IN REPLACEMENT, complete all as specified

15 mm bore

20 mm bore

25 mm bore

40 mm bore

50 mm bore

CI foot valve, flanged type, ISI marked, with flanged joint & jointing material, IN REPLACEMENT complete, all as specified suitable for CI/DI pipe of size as under: -

40-50 mm bore

75-80 mm bore

150 mm bore

Construction of brick masonary valve pit with and including MS sheet cover fabricated from 3 mm thick MS sheet and frame of angle iron 40 mm x 40 mm x 5 mm with fixing arrangement hinges and locking arrangement and painting two coats of synthetic enamel paint over a coat of red oxide primer on MS cover and frame including necessary excavation and earth work in any type of soil, returning, filling in approved soil, disposal of surplus soil to a distance not exceeding 50 metre, 150 mm thick PCC 1:4:8 type D-2 using 40 mm graded stone aggregate as in foundation brick work in cement mortar 1:6, 15 mm plastering in cement mortar 1:4 both internally and externally 100 mm thick PCC 1:2:4 type B-1 using 20 mm graded stone aggregate as in flooring complete all as specified, including demolition of existing valve pit having iternal size: -

Mild steel framed work such as grills, grating etc. with ends of bars shouldered and or riveted or forged into spikes, framed guard bars, ladders; framed balusters; walk ways; railings; framework of water tanks and similar work confirming to Fe-290-Gde E-165, duly painted with two coats of synthetic enamel paint over a coat of red oxide primer including preparation of surfaces, IN REPAIR, complete all as specified.

Rolled mild steel plates (plain or chequered) cut or notched (ordinary and counter sunk) forming holes as in valve chamber / man hole / bore well cover etc conforming to Fe-410 W Gde E-250 quality-A complete all as specified IN REPLACEMENT, complete all as specified.

Writing the letter inlet, outlet and washout decription on the existing CI / GI pipe at over head tank including scraping and preparation the existing surface and applying two coats of black, blue, Red, Yellow colour synthetic enamel paints complete.

Rectification of leakage in CI/DI pipe line making it leak proof to the entire satisfaction of Engineer-in-Charge by filling jointing material etc.including necessary excavation & earth work complete CI/DI pipe of size: -

80-100 mm bore

150-200 mm bore

Drilling and tapping CI/DI/GI water mains (in position) for branch connections with & including provision of suitable size ferrule & GI nipple including necessary excavation & earth work for internal dia of pipe: -

15 mm bore

20 mm bore

25 mm bore

Supplying, laying, jointing and testing XLPE insulated screened PVC bedded galvanised steel strip or wire armoured heavy duty electric power cable (LT) 1100 volts earthed grade with aluminium conductor of cross sectional area 6 Sq.mm 4 core laid in trenches/ ducts/ along poles/ through pipes including taking out existing userviceable cable complete all as specified.

Water level indicator installed at 15000 to 150000 gallon capacity overhead reservoir at 25 metre high staging fixed along the dome of tank with provision of scale fabricated out of 20cm wide and 1.6mm thick plain mild steel sheet painted in red and white colour using synthetic enamel paint duly marked satges of 15000 to 150000 gallons i.e. marking in 10 stages of 5000 gallons each including taking out existing water level complete all as specified comprising the following. (i) Copper ball - 01 No (ii) Nylon coated steel rope not less than 8mm dia &18 Running metre long (iii) MS pulley with support - 10 No (iv) Light grade GI pipe for protection of nylon rope 20mm dia &20 Running metre long.

BLANK

PLC (Programmable Logic Controller) with connected power supply system with controller lead complete as per existing model for automation slave panel comprising of main controller, including testing complete.

Reprogramming of Automation slave panels installed at pump house for scada system as per existing system for smooth controlling panel of scada system including resetting of system complete.

HMI-GT 21 series 3.8'' TFT monochrome, TFT LCD with 32 grey scale 24 vdc built in, RS232, RS-485 USB port interference for PLC based panel IN REPLACEMENT, including re-programming & testing.

NOTES APPLICABLE TO SERIAL ITEM 25 TO 27. Downloading and uploading of the PLC programs carried out only in the presence of Recktronic device & system / Automation and Tech solutions or Integrated control system as approved by GE.

Relay pin type 4C/O IN REPLACEMENT complete, as per existing model & compatibility of size: -

220-240 volt AC

24 volt DC

LED indicating lamp of colour red / green / yellow as per exiting sample / size IN REPLACEMENT complete all as specified

LED indicator with push button red / green type -240 Volt Ac as per exiting sample / size IN REPLACEMENT complete .

Rust proof maintenance free magnetic float switch / water level sensor as per exiting sample / size IN REPLACEMENT complete.

Hand wheel for actuator suitable for of size 150mm bore butterfly valve as per exiting sample / size IN REPLACEMENT complete.

SMPS unit suitable for out put 24 volt DC and input 230 volt AC of rating 3 Amp as per exiting sample/ size IN REPLACEMENT complete .

Motor actuated valve of size 150 mm bore (Direct) complete single phase motor actated with gear box valve set with disc material of CI with nylon coating, hand wheel for manual operation, pressure rating of 10 kg/sq cm and having 02 nos limit switches for open / closed condition and capability of accepting 4-20 amp input complete set.

Motor actuated valve of size150 mm dia (Indirect) complete single phase motor actuated with gear box valve set with disc material of CI with nylon coating, hand wheel for manual operation, pressure rating of 10 kg/sq cm and having 02 nos limit switches for open / closed condition and capability of accepting 4-20 amp input complete set .

Defected/ burn out /unsafe internal control wiring and connection for automation slave panel installed at pump house and including using by FRLSH PVC insulated electric wire with copper conductor wiring having of single core of size 0.5 - 1.0 Sq. mm sub main wiring as properly electrical connection for smooth controlling panel of scada system including resetting of system complete and testing IN REPLACEMENT complete.Make:- Recktronic device & system / Automation and Tech solutions or Integrated control system as approved by GE.

5 pair of 0.5 mm dia armoured copper cable suitable for sensoring with suitable size of PVC conduit pipe as per exiting sample/ size duly fixed on wall of over head tank IN REPLACEMENT complete.

PVC sheath PVC insulated copper armoured cable 1.5 sq.mm 6 core IN REPLACEMENT complete all as specified.

Earthing with and including GI earth plate electrode 6 mm thick of size 600 mm x 600 mm with 32 mm x 6 mm GI strip earthing lead complete all as shown in electrical plate No. 3 and as specified in Particular Specifications of contract, IN REPAIR.

NOTES: - (i) The unit rate includes earthing lead and protection pipe upto 7.5 metre from top of earth plate. (b) Factoy fabricated precast PCC pit & cover shall be fixed at least 500 mm away from earth pit. (iv) Earth resistance should not be less than 3Ohm. In case the test results are not found below 3 Ohm, complete earthing will be redone without any extra cost to Govt.

Galvanised iron strip 25 mm x 4 mm with new saddles and fixing screws on porcelain insulators for roof conductors and down conductors above ground level and in trenches fixed IN REPLACEMENT complete.

Air termination single pointed copper rod of dia 12mm and 300 mm long including making connection to earthing conductor IN REPLACEMENT complete.

GI pipe 25mm bore light grade (ISI marked), cut piece of not more than 1.5 metre length or as directed by Engineer-in-Charge, fixed vertically with bottom end embeded in & including cast-insitu PCC (1:2:4) block of size 20cmx20cmx15cm including use and waste necessary fair finish form work, and other end (at top) fixed to air termination rod with necessary bolts, nuts etc as required, complete.

Rigid non-metallic heavy duty grade-B, PVC conduit of 32mm bore inclusive all standard fittings for passing of communication cables etc, under plinth/floor or fixed on wall with necessary fixing aggrangement, complete.

LED Aviation obstruction light 50 watt fixed on top of over head water tank including FRLSH PVC insulated 2.5 Sq.mm 3 core flexible copper cable with metalic ERW conduit not less than 20mm dia and provn of 2 way MCB enclosure with one number MCB SPN 06 Amp IN REPLACEMENT complete.

NOTE : Amount of credit for retrieved materials is mentioned in tender documents in pdf form which will be deducted while acceptance of tender offline.

M/s Sahib and Company