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| 1 | Geotechnical Instruments |
| 2 | OD120115/2024-2025:Supply, fixing,Trial run and commissioning of VW Uplift Pressure Measurement System at site includingminor civil,electrical & mechanical works etc for installation of equipment as per thedirection of departmental officers.Specification of the uplift pressure - Mechanical, vibratingwire sensor type, Operating range- 10 kg/cm2, Over Range- 1.50 x Range, Over range effect -± 0.1% F S, Resolution -0.025% F.S., Accuracy -±0.1% F. S., Temperaturecompensation -Inbuilt,Lightning protection -Required,General features having EnclosureStainless steel, IP 68, Accessories Sensor mounting support,cables and other accessories asrequired,Protection- IP 68 or NEMA-4 including full documentation and maintenance manualin Englishwarranty for the period of 12 months from the date of commissioning. |
| 3 | OD120118/2024-2025:Supply, fixing,Trial run and commissioningof 4 core ( 2 pair) armored jelly filled cable of standard make including cost of all materials, transportation, taxes etc., complete as directed by the Engineer.warranty for the period of 12 months from the date of commissioning. |
| 4 | OD120120/2024-2025:Supply, fixing,Trial run and commissioning of Cable termination and switch box of standard make with all its accessories including cost and concreting of required size of all materials,etc., complete as directed.warranty for the period of 12 months from the date of commissioning. |
| 5 | OD120121/2024-2025:Supply, fixing,Trial run and commissioning cable splicing kit and cable sealing compound.warranty for the period of 12 months from the date of commissioning. |
| 6 | OD120127/2024-2025:Supply, fixing,Trial run and commissioningof V-Notch for measuring water seepage having materialof stainless steel at site including minor civil,electrical & mechanical works etc forinstallation of equipment as per the direction of departmental officers Range -300mm of wc,Resolution -0.03%, Linearity=+-0.5% FS, Temperature limit -10° to +60°Cetc conform to IS 7436 (Part 1).warranty for the period of 12 months from the date of commissioning. |
| 7 | OD120129/2024-2025:Supply, fixing,Trial run and commissioningof Wireless Tilt Meter TIL90-X (LS-G6-TIL90-X/LS-G6-TIL90-I) at site including minor civil,electrical & mechanical works etc for installation ofequipment as per the direction of departmental officers.warranty for the period of 12 months from the date of commissioning. |
| 8 | OD120130/2024-2025:Supply, fixing,Trial run and commissioning of 4G Rugged gateway-Edge with internal antenna with outdoor LoRa getaway equipped with in internal antenna and a4G worldwide module with 3G/2G fallback, external waterproof connecting (RJ45. SIM card),Easy Installation mounting kit,Integrated internal antenna for GPS, 4G and LoRa(peak gain=2,6dBi). External LoRa antenna 3dBi or 6dBi available as options), USB (types C) connector for local access,Faster process (operating in a single-gateway architecture, it can manage up to 30 data messagesper minute),Compatible with the connectivity management tool (CMT) Edge software. Including facility for monitoring the instrument values (Remote access) at the control unit at Head Quarters. warranty for the period of 12 months from the date of commissioning. |
| 9 | OD120132/2024-2025:Supply, fixing,Trial run and commissioning Portable Readout Units - Digital Readout Unit standard make with all its accessoriesincluding cost of all materials, transportation, taxes etc., having Sensor Excitation - 5V (typical)square peak to peak,Freq range -500 to 5000 Hz,Display- 20 character x 4 line, backlitAlphanumeric LCD,Resolution- 0.0001 ms,Power Source 6V, 4AH Field maintenance freerechargeable battery, Dimensions- 114x72x30mm,Readings-2000,Channels -500 etc.warranty for the period of 12 months from the date of commissioning. |
| 10 | OD124206/2024-2025:Supply, fixing,Trial run and commissioning of Automatic Plumb Line Coordinator-using Charged couple devices system,Range: +/- 25 mm ( X) & +/- 25 mm (Y),Accuracy: +/- 0.1 mm,Resolution : 0.01 mm,Repeatability: +/- 0.1 mm,Operating Humidity: 100 % (non dondensing),Temperature range: 15 to 60 deg C,Communication: RS 485,Power supply: AC -220 V AC, 50 Hz or 24 V DC,Dimensions : 380 mm X 330 mm X 145 mm,Accessories,DIP Cover for the automatic system,SS/Plastic Bucket,SAE 40 Oil,Common Data Logger for 3 Automatic Plumb line system proposed at foundation galleries of 3 blocks, for taking at the DAM TOPcontrol room.Common Data Logger for all 3 Automatic plumb line being proposed in 3 different blocks, Mounting cabinet/enclosure.warranty for the period of 12 months from the date of commissioning. |
| 11 | OD131154/2024-2025:Supply, fixing,Trial run and commissioning of V W Joint / Crack Meter(Concrete/Masonry) Dam AIM 806 having vibrating wire type sensor, Operating range =12.5 mm, 25 mm, 50 mm (Project Specific), Over Range=1.25 x range, Resolution= 0.025% F.S, Accuracy =±0.2% F.S ( ±0.1% F.S. optional),Linearity =<0.5% F.S with stainless steel, IP 68 ,Sensor mounting support, cables and other accessories as required,Protection =IP 68 or NEMA-4 with Full documentation and maintenance manual in English.warranty for the period of 12 months from the date of commissioning. |
| 12 | Cleaning of boreholes |
| 13 | OD120133/2024-2025:Cleaning of boreholes using special machinery & equipments and conveying the silt away from the dam gallery without damaging existing civil structure of dam including the hire charges of machinery,tools and labour charges etc. |
| 14 | Replacement of damaged cables-35 four core cable (towards seepage water PH & Dam shutter) |
| 15 | OD136101/2024-2025:Supply, fixing,Trial run and commissioning of 1 no. PVC insulated and PVC sheathed/XLEE power cable of 1.1 kv grade of fgollowing size in existing trench/duct as required. Size=35 square mm 3.5 core Aluminium armored cable .warranty for the period of 12 months from the date of commissioning. |
| 16 | OD136151/2024-2025:Supply, fixing,Trial run and commissioning ofend termination with brass compression gland and aluminiumlugs for following size of PVC insulated and PVC sheathed / XLPE aluminiumconductor cable of 1.1 KV grade as required-35 sq mm - 3½ X 35 sq. mm (32mm).warranty for the period of 12 months from the date of commissioning. |
| 17 | 100.1.1:Excavating trenches of required width for pipes, cables, etc., including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20cm in depth, including consolidating each deposited layer by ramming, watering, etc., and disposing of surplus excavated soil as directed, within a lead of 50m, in all kinds of soil. |
| 18 | OD158868/2024-2025:Supply, fixing,Trial run and commissioning of Sub Switch Board (SSB) Out door type IP65 - Supply, Installation, Testing and Commissioning of cubicle type, dust and vermin proof, IP-65, floor mounted, front operated, top/bottom cable entry, extensible type double door MV panel board complying to IS 8623 (with latest amendments) made out of 14/16 SWG thick CRCA sheet fully compartmentalized as per approved design and requirements, hinged doors for all switch gear compartments with door interlock, earthing the doors using 4sqmm braided copper conductor, detachable cover for bus bar chamber and cable alley, powder coating the assembly after subjecting to 7 tank process etc. Name plate, danger notice board, neopreme gaskets for all openable doors & covers, removable gland plates made of 3mm thick sheet steel, all connections and interconnections including mounting the following switch gears and accessories as per approved schematic drawings. The panel shall be fabricated by a CPRI approved vendor. CRCA sheet alone be used for the fabrication except base channel by using ISMC -75. FRP shrouding shall be provided wherever necessary and Louvers for bus bar chamber.1.5sqmm. Copper flexible cable shall be used for control wiring & 2.5sqmm. for CT wiring. GA drawings of Panel boards has to be get approved by the Engineer in charge /Consultant before fabrication of Panel Board.. (a) Incomer: 160A, 4 P MCCB 36 ka - 1 no.(b) Bus bar: 200A TPN electrolytic grade Aluminum busbar with SMC supports, heat shrinkable sleeves as per color code, etc.,(c) Meters and CTs: RYB phase indicating lamps (lamps shall be LED ) with control Fuses -1 set,Voltmeter -1no., Ammeter (0 -100A) with CT -3nos.(d) Outgoings: (1) 32A, 25kA, TP, MCCB, Ics=100%Icu with adjustable setting range, Spreader Terminals, Phase Barriers and Rotary operating mechanism plus Neutral link - 8 nos. warranty for the period of 12 months from the date of commissioning. |
| 19 | OD158912/2024-2025:Dismantling the old and damaged armored cablein ductand conveying to departmentstore as per direction of officers |
| 20 | OD158913/2024-2025:Dismantling the old and damaged electrical panel board, solar panel and cableon dam shutter platformand conveying to departmentstore as per direction of officers |
| 21 | OD189777/2024-2025:Supply, fixing,Trial run and commissioningof vertical TPN DB with 63A 4P MCB Incommer and 60/32A 3P MCB outgoing 4 nos of approved make as per the direction of departmental officials.warranty for the period of 12 months from the date of commissioning. |
| 22 | Supplying and erection ofSubmersible pump for pumping out the seepage water from the gallery of Peppara Dam |
| 23 | OD135633/2024-2025:Dismantling VT pumpset and conveying to department store as per direction of departmrntal officers |
| 24 | OD135657/2024-2025:Design, Supply, erection, testing, trial running and commissioning of following 1.Pump -Supply, erection, testing and commissioning of KWA per-qualified, bronze impeller SS shaft CI pump case total head 25 M discharge 15 lps 2. Motor Supply , erection, testing and commissioning of KWA per-qualified reputed make vertical solid shaft submersible induction motor suitable for the above pump working 3 phase 50 Hz Ac supply, working voltage 415. The motor shall confirm to EEF1/IS 325 . 2. Motor-Supply, erection, testing and commissioning of KWA prequalified reputed make horizontal solid shaft foot mounted TEFC squirrel cage induction motor suitable for the above pump working on 3 phase 50 Hz Ac supply, working voltage 415V/3300 V(select suitable), 1500rpm. The motor shall confirm to Latest IE standards including providing suitable concrete foundation, including cost of materials etc. complete for 3300 V motors digital motor protection. Relay shall be included in starter as per present IE rules. . Flexible coupling shall be used for coupling of pumps and motors3. Starter. Supply erection testing and commissioning of suitable rating (Fully automatic starter with air break contact for less than 100 HP and for above 100 HP FCMA starter to be used) . Here soft starter to be provided. Starter suitable for the above motor with over voltage and under voltage protection, single phase preventor, overload relay with motor protection relaywith main contactor and bye pass contactor as per IE rules and code of practice etc complete4. Panel board - Supply , erection, testing and commissioning of cubical type wall mounted MS fabricated dust and vermin proof common control panel board consisting of 1 No. suitable capacity motor protection MCCBas incomer and andNo of suitable capacity MCCB as outgoing providing suitable size Aluminium bus bar to interconnect the above MCCBs and fitted with 3 Nos of indicator lamps,1 no. volt meter with selector switch ,1 no. Ammeter with selector switch for measuring current in each phase etc. complete and provided with a common earth bus for the entire panel and inter connect with the MCCBs as per IE rules and code of practice. The panel shall be fitted on a common base frame on suitable foundation.5. Cabling work - Supply, laying testing and commissioning of suitable size XLPE copper cables for the above pump set from panel board to starter and from starter to motor considering energy conservation for a total length of 10 M. 6. Earthing - Supply of all materials and providing suitable earthing by using suitable size pipe /plate earthing GI/copper strip buried in ground and giving double earthing to motor, starter, panel board etc. as per IE standards.7. Capacitor - Supply, erection testing and commissioning of heavy duty APP capacitor for the motor to get a power factor above 0.95. Capacitor should be conn1ected to external contactor, and the capacitor shall confirm to IS 28348.Valves and Pressure gauges – Supply, Erection and commissioning of suitable size best quality heavy duty ISI marked CI double flanged Sluice Valve electrical actuator (capable of operating in Fully, Semiautomatic modes and also in manual mode), Non Return Valve and Pressure Gauges with suitable Pressure rating. Fitting of valves shall include proper RCC support. In case of positive suction pipes set sluice valve should be in suction as well as delivery sides for easy repair works.9. Suction and delivery pipe connection - Supply and fitting of suitable size best quality MS pipe of shell thickness not less than 10 mm for a total of 10 m. suitable for the above pump set and suitable size foot valve and connecting the suction pipe and valve with suitable flanges, nut and bolts IR sheet etc complete and connecting the delivery side of thr pump with the valves and suitable specials to connect the pumping main. If the dia of suction pipe is above 80 mm CI pipes and specials shall be provided. Efficiency of pumpset shall not be less than 70 %. The guarantee period is minimum two years with full replacement ofabove mentioned units . As per the order no. 9710/ae 15/2021/kwa dtd 8-2-2023. |
| 25 | OD135668/2024-2025:Supplying and fixing commissioning automatic level control for operating submersible pumpset, including protection of dry run, phase failure and phase unbalancing and working hourmonitoring meter. |
