Manning and operation of Water treatment plant and repair replcement of UG HT LT cables cable joints street light poles AND fittings and allied EM services at AOB Rambilli near Visakhapatnam

Amount

Manning & Operation of 2x 2.5 MLD Water treatment plant(01 working and 01 standby) of Make: ION Exchange at AOB Rambilli by providing the manpowers for each shift at round the clock are as under. (a) FGM (Skilled) - 01No (detailed for three Shift) (b) Helper (Un-skilled) - 01 No (detailed for three Shift) (c) Supervisor(Highly Skilled)-01 No (detailed for three Shift) with diploma/degree in Electrical/Mechanical/Public health having knowledge on SCADA system on Water Treatment Plant. The undermentioned plants/machinery to undertaken for supervision and maintaining the parameters. (a) Inlet and outlet pumpsets for suction (raw water) and delivery (clear water) (b) Agitator tank (c) Chemical dosing pumps (d) Lamina clarifier (e) Clarified water tank (f) Multi grade filter (g) Active carbon filter (h) LT Control panels,Air compressors and SCADA/PLC Panel (j) 200kVA standby DG Set with AMF Panel included and not limited to.

Visual Cheking All equipments/items to be visually checked by the operator and serviceability report to be filled in log sheet. Any fault or unserviceable of equipments to be informed to JE E/M or Engineer in charge. Monitoring of equipments (a) Daily log sheet shall be maintained by the contractor & the log sheet shall be provided by the contractor as per Performa given by the engineer in charge to be inspected thoroughly before switching on. (b) Maintaining duty log sheet and checking all parameter of metering devices (c) Checking of various meters for measurement of current, voltage etc, including recording of these readings in log sheet and also recording of any unwanted signal of spark, sound in switchgears/equipments etc. (d) Switchgear and equipments shall be properly cleaned. (e) Dress shall be provided for every shift operator (dress colour to be approved by Engr-in-Charge. (f) One mobile phone with sim to be provided at site for commnication and fault rectification. (g) Minor complaints to be attendeded by the technician/operator provided by the contractor. (h) Conveyance facility to be provided by the contractor in station premises for attending the faults/complaints. (j) Cleaning of dust,cutting of grass/bushes/branches upto 5.00m arround the raw/fresh water sumps,DG sets and plant complete. Note :- The rate shall be included for above said work. Timing of shifts:- Ist Shift (0600 Hrs to 1400 Hrs)= 01 Supervisor,01 Electrician and 01 Helper IInd Shift (1400 Hrs to 2200 Hrs)= 01 Supervisor,01 Electrician and 01 Helper IIIrd Shift (2200 Hrs to 0600 Hrs) 01 Supervisor,01 Electrician and 01 Helper

Comprehensive Maint including material and labour for SCADA support two stream (2X2.5) 5 MLD capacity water treatment plant at AOB, Rambilli complete all as specified and directed by Engr-in-Charge. Notes: (i) Technician should be check the Water treatment plant in every 15 days (twice in a month) or as per complaint by operator/JE E/M/Engr-in-Charge and serviceability report to be submitted to Engr-in-Charge. (ii) The maintenance include repair/replacement of all parts such as pumps,motors, operating valves, pneumatic valves, compressors, Mcbs, SCADA software systems, PLC Panels and renewal of antivirus for SCADA systems etc included but not limited to for making plant full operational. (iii) (iii) The comprehensive maint to be started from the month of Feb 2023 onwards.

Contractor to be provide complete water analysis of raw/treated water as per IS: 10500 : 2012, Certified from Govt approved Lab (NABL Accredated) some of the parameters given are as under below at 1.1 and certificate of potable drinking water to be submitted for the same complete all as specified and as directed by Engr-in-Charge : (1.1) Chemical Analysis: (a) pH value (b) Electrical conductivity (c) Turbidity (d) TDS (e) TSS (f) Hard ness (g) Iron (h) Chlorides (j) Fluorides (k) Magnesium (l) Sulphate (m) Nitrate (n) Total alkalinity (o) Residual free chlorine ..etc (1.2) Chromium (Heavy metal in ground water) (1.3) Bacteriological parameters (a) Total Coliform (b) Faecal Coliform (c) E.Coli

Supply, laying, testing and commissioning of LT XLPE insulated, screened with extruded PVC inner sheathed, PVC bedded, galvanised steel strip or wire armoured electric power cable [heavy duty] of size 3.5core x 300.00Sqmm, with stranded aluminium conductor, 1100 volts grade, suitable for earthed system with and including cable glands, ferrules and connected accessories, laid in trenches or ducts or through the pipe etc.,including taking down old unserviceable cable complete all as specified and as directed by Engineer in charge.

All as per Serial Item No.5.00 here-in-before but for cable of size 3.5 core x 120.00 Sqmm

All as per Serial Item No. 5.00 here-in-before but for cable of size 3.5 core x 70.00 Sqmm.

All as per Serial Item No. 5.00 here-in-before but for cable of size 3.5 core x50.00 Sqmm.

All as per Serial Item No.5.00 here-in-before but for cable of size 3.5 core x35.00 Sqmm.

All as per Serial Item No. 5.00 here-in-before but for cable of size 4.0 core x 25.00 Sqmm.

All as per Serial Item No. 5.00 here-in-before but for cable of size 4.0 core x 16.00 Sqmm.

Supply, laying, testing and commissioning of HT XLPE insulated, screened with extruded PVC inner sheathed, PVC bedded, galvanised steel strip or wire armoured electric power cable [heavy duty] of size 3 core x 185.00Sqmm, with stranded aluminium conductor, 11000 volts grade, suitable for earthed system with and including cable glands, ferrules and connected accessories, laid in trenches or ducts or through the pipe etc including taking down old unserviceable cable complete all as specified and as directed by Engineer in charge.

All as per Serial Item No. 12.00 here-in-before but for cable of size 3 core x 120.00Sqmm.

All as per Serial Item No. 12.00 here-in-before but for cable of size 3 core x 95.00Sqmm.

Excavating in trenches n. exc. 1.5m wide and n. exc. 1.5m in depth for foundation, trenches for laying cables and getting out in any type of soil.complete all as specified and as directed by Engineer in charge.

Returning, filling in including spreading leveling watering and well ramming in layers not exc 25cm in any type of soil complete all as specified and as directed by Engineer in charge.

Removing excavated materials to a distance n exc. 50m and depositing where directed at a level n. exc 1.50m above the starting point complete all as specified and as directed by Engineer in charge.

Supply and spreading clean dry sand for cable cushioning in trenches complete all as specified and as directed by Engineer in charge. (Note: Punned thickness only shall be measured)

M&L for PCC (1:3:6) type C-2 using 40mm graded aggregate as in foundation for filling in, mass concrete for pole and stay complete all as specified and directed.

M&L for PCC (1:2:4) type B-1 using 20mm graded aggregate as in coping of pole etc including form work complete all as specified and directed.

Supply and laying un-reinforced precast concrete cable cover, class HVP, Type 1 with peak, size 300mmx180mmx40mm all as specified and directed by Engr-in-Chage.

Supply and laying un-reinforced precast concrete cable cover, class LV, Type 1, flat, size 250mmx150mmx40mm all as specified and directed by Engr-in-Chage.

S&F in replacement of 80 mm bore light grade GI tubing with necessary fitting fixed to pole or wall or in trenches for protection of electric cable all as specified and directed.

Dismantling and taking down carefully defective/non fuctional street light fittings of CFL/post top lantern etc from its existing position and refixing the same after repairing/replacement of unserviceable spare parts including re-assembling and testing complete all as specified and as directed. (Note : Street light bracket and light fitting shall be measured and paid separately under respective items)

Supply & fix in replacement of Junction box made out of MS steel of size 300x300x150mm complete with 100 Amp 3 phase & one neutral rated aluminium bus bar with MS clamp of size 35x6 mm MCB single 5 to 32 Amps inside box and fixed on pole with MS clamps, nut bolt and washers complete all as specified and as directed.

Supply & fix in replacement of street light bracket (with two sets of clamp,nuts & bolts) made out of 25/40 mm medium grade GI pipe bend to shape and with fixing arrangement duly welded all as directed, length of pipe should not be less than 1.2 mtrs

Supply & fix in replacement of Rigid non-metallic PVC conduit 20mm dia exclusive of boxes (junction/ terminal) but inclusive of all tees, bends, elbows, reducers, bell mouth tube ends and fixing accessories such as couplers, lock nuts, saddles, pipe hooks etc complete all as specified and as directed.

M&L for replacement of 3 core flexible copper cable of size 1.5 Sqmm with thimble etc complete all as specified and as directed.

Supply and fix Steel tubular swaged type 410 SP-31 9.00 metres long poles with cast iron base plate, finial taper plug, bolts, nuts & screws including taking down old munserviceable one complete all as specified and directed and Engr-in-Charge.

M&L painting of LT/HT PCC pole any type of size externally above foundation and junction box including all MS work with one coat of off light oil bound distemper after scraping /cleaning well the existing surface complete all as specified and directed complete all as specified and directed by Engr-in-Charge. Note : The item includied in the painting 3 Nos 30 cm wide bands blue synthetic enamel paint in alternate layer upto 1.5 mtr high above foundation and writing the pole Number all specified and directed by Engr-in-Charge

Supply, jointing and testing Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm,11000 volt grade complete with all acessories including taking down old joint Make : Birla 3m, Denson

Supply, jointing and testing Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm,11000 Volts complete with all acessories including taking down old joint Make : Birla 3m, Denson

Supply, jointing and testing Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm Make : Birla 3m, Denson

To find out the electric fault in HT under ground cable by fault locating kit and technician to be hired by the contractor for find out the exact fault location as per safety manner and earth work upto 3m depth is also inclusive in quoted rate wherever required all as specified and directed by Engr-in-Charge. Note:- Technician should be well knowledge and experience in fault locating kit for using all command and controls.

All as per Serial Item No.34 here-in-before but for LT under ground cable .

Supply & fixing post top lantern light fitting moulded plastic capsule with housed ballast, lamp holder baffler for glare control suitable for 1X18 LED Watt lamp including taking down unserviceable existing complete all as specified.

M&L for Cable route indicator for cable route marker, made out of cast iron round shape of 100mm dia, with supporting length of MS angle 40x40x6mm and 750mm long fixed with nuts & bolts, duly marked with word such as HT/LT Cable 1100V or 11KV as directed, duly painted with two coats of super enamel silver colour over a coat of primer, including grouting in ground 300mm x 300mm x 300mm deep with and including PCC 1:2:4 (Type B1), including taking down old unserviceable one complete all as specified and directed.

Supply & fix in replacement of star delta starter suitable for 10 HP open well submersible pump motor including necessary arrangements complete all as specified and directed.

Supply & fix in replacement of DOL starter suitable for 5 HP to 7.5 HP open well submersible pump motor including necessary arrangements complete all as specified and directed.

Cutting of tree branches, cleaning of bushes/small plants surround the E/M installations including removing debris to a distance not exc 50m complete all as specified and directed.

S&F in replacement of LED Street light fitting 40Watts, 230 volts, >100lum/W, beam angle of ǿ 120°, AC outdoor type with high Pressure Die Cast aluminum Housing and heat resistant complete with LED lamp, driver with impact and corrosion resistant including thermal management in multiple optics complete with IP 65/66 protection with all accessories, complete all as specified and as directed.

GVR CONSTRUCTIONS

P VENKATA RAO

M/s SS Engineering Enterprises

VENKATESWARA ENGINEERS AND CONTRACTORS