PROVISION OF BACKUP POWER SUPPLY FOR PERIMETER LIGHTS, CHEMICAL EARTHING AND VOLTAGE STABILIZER FOR UPS OF HRMS AND COMCEN, LIGHTNING PROTECTION AT CERTAIN HIGH RISE BUILDING AND UPGRADATION OF ELECTRIC ENERGY METER UNDER GE (NW) MANKHURD

Amount

Excavation in trenches not exc 1.5 mtr wide and not exc 1.5 mtr in depth for foundation etc or for shaft, wells, cess pits, manholes, pier holes etc n.exc 10 Sq mtr on plan & n.exc 1.5 mtr in depth and getting out in soft/loose soil complete all as specified and directed.

Returning filling in , excavated soil including spreading, leveling and well ramming in layers not exc 25cms each any type of soil complete all as specified and directed.

Removing the excavated materials not exc 50mtr and depositing where directed at a level not exceeding 1.5 mtr above the staring point complete all as specified and directed.

M&L for sand cushioning by spreading in trenches crushed/ fine dry river sand by gently by punning down manually as in cable protection complete all as specified and directed. Note : Sand after punning down will be measured

Supply and laying unreinforced precast concrete cable cover class LV ISI Marked, type-I, flat size 250mm x 150mm x 40mm laid in trenches complete all as specified and directed.

M&L for cutting existing road/hard standing not exc 45x60 cm in wide & depth getting out excavated material for laying tube/ pipe etc returning filling & well rammaing watering finish surfaces 10 cm from top using PCC 1:3:6 type B1 using 20 mm graded aggregate including removal of surplus soil complete all as specified and directed.

S&F HDPE pipe PN 10 of size 100mm dia for laying in ground, road crossing etc for cable protection including necessary fittings , clamps for supports, etc complete all as specified and directed.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 50 sq mm 4 core.Including cable lugs of suitable size laid in trenches fixed on wall, floor etc complete all as specified and directed.

All as per above item No 08 but of size 120 sq mm 3½ core complete all as specified and directed.

Supply and fix air termination, single pointed aluminium rod 12mm dia and 300 mm long, including base plate complete with all screws, nut/bolts complete all as specified and directed.

S & F test terminal block made of gun metal or phosphours bronze size 75 x75 x25 mm drilled and screwed including 3 Nos 8 mm dia 25 mm long hex, head screw complete all as specified and directed.

S & F Aluminium strip 25 X 3.15 mm with saddles and supporting insulator fixed with non-corosive screw/nut, bolt etc. for roof conductors and down conductors above ground complete all as specified and directed. Note : Space between insulators support shall not be more than 35 cm on insulation and not more than 70 cm on concrete block.

M&L for pre-cast cement concreate block of size 0.15M x 0.15M x 0.15 M type C1 1:3:6 using 20mm graded stone aggregate in cement motor 1:4 for fixing of roof conductor aluminium strip complete all as specified and directed.

M&L for earthing complete with GI earth plate electrode 600x 600x 6 mm buried directly in ground (earth pit not less than 2.25 mtr deep below ground level) with top edge of the plate not less than 1.5 mtrs below normal ground level and connected to earth test point by means of GI Strip of size 32x6 mm all as specified and shown in electric plate No 3 of MES SSR Part-I 2009 including earthwork, PCC chamber, CI cover, protection and watering pipe, funnel, mesh etc all as required at site and testing complete all as specified and directed. Note: (1). 7.5 RM GI strip in deemed to be included in quoted rates beyond 7.5 RM strip shall be measured and paid separately. (2) Rate quoted by the tenderer is deemed to include salt & charcoal and GI pipe protection.

Supply & Fixing AC Single Phase Two Wire, Tamper Proof, Static Meter of Class 1.0, 240 V, 50 Hz, 10-60 A conforming to IS-13779 and relevant IEC standards with inbuilt Low Power Radio Frequency (LPRF) communication facility in CyanConnode or equivalent 865-867 MHz Mesh network with default and on demand display, billing data generation facility, anti-tamper features, Microprocessor and LED/LCD based circuitry including necessary connection with taking down carefully old existing meters complete all as specified and directed. Make: L&T, Schneider, Secure

Supply & Fixing AC Three Phase Four Wire, Tamper Proof, Static Meter of Class 1.0, 415 V, 50 Hz, 10-60 A conforming to IS-13779 and relevant IEC standards with inbuilt Low Power Radio Frequency (LPRF) communication facility in CyanConnode or equivalent 865-867 MHz Mesh network with default and on demand display, billing data generation facility, anti-tamper features, Microprocessor and LED/LCD based circuitry including necessary connectons with taking down carefully old existing meters complete all as specified and directed. Make: L&T, Schneider, Secure Note for Ser item No 15 and 16 : The existing meters will be deposited to MES store with last reading and date.

Supply and Installation of Data Concentrator Unit (DCU) compatible for remote Automatic Meter Reading (AMR) solution and capable of communicating with the static energy Meter in the corresponding LPRF frequency band of 865-867 MHz and with the data server through GPRS and shall have minimum data transfer rate of 9600 bps, internal memory to store data of 50 modules and shall be based on Mesh network within 40 metre range complete all as specified and directed. Make - L&T, Schneider, Secure Note : Rate of necessary connection and required wiring shall be deemed to be included in unit rate.

Supply and Installation of Repeater unit with inbuilt Low Power Radio Frequency (LPRF) Communication Facility and capable of communicating within CyanConnode Mesh network with inbuilt AC power supply. (Single Phase LPRF Meter may be used as repeater as well) complete all as specified and directed. Make: L&T, Schneider, Secure

Supply and Installation of GPRS Modem: • GPRS communication capabilities • In-built protocol stack for meter read, store and forward to central server • Built-in SMPS power supply from 90 to 470V AC (single and three phase operation) • Automatic AT-interfacing and GPRS enabling • Remote modem configuration using GSM-SMS with configured master mobile number • Remote modem configuration using GPRS • Scheduled meter data reader whenever required • Automatic meter data packet restoration if GPRS connection fails • Operating temperature -10 to +60 °C • Operating Humidity up to 95% RH (Non-condensing) • Including provision of Sim card Make: Amitech, Wired-In, Wavecom

Cloud Hosted multi user web based Software with following modules: (i) Meter Data Management Module The meter data management module would be responsible for collecting the data from the concentrator and make the data available to the billing system. The system would support offline meter data entry. The meter data management system would capture and provide the following data: (a) 30 min instantaneous data from all the meters for seven parameters – Cumulative Energy, Cumulative Apparent Energy, Power, Current, Voltage, Power Factor and Frequency (b) Monthly and quarterly billing survey data for cumulative energy and max demand (ii) Billing Module The billing module would collect the data from the meter data management module, calculate the energy consumption, calculate billing determinant and make energy data / billing data available to admin and end users. (iii) Occupation and Vacation Module: The system would support occupation / vacation based on the unit categories. The system would support automatic data capture on occupation and vacation events. (iv) Customer Portal The system would include a customer portal for the resident /occupant to log in and view their own energy / billing data. (v) Energy Accounting Module The system would include features of energy accounting. The system would be able to account for total energy block wise, facility wise and would also allow calculations of unaccounted energy in case total energy meter is also available. (vi) Communication Module The system would provide communication of energy data and bills via print, email and sms methods. (vii) Meter Master Data The system would support meter master data repository. The system would support meter replacement process. (viii) Excel Export The system would support export of metering and billing data in excel format. Make: Innologix, L&T, Schnieder, Secure Note: The system would include two years of defect liability period after date of completion of running CA.

AMC and GPRS Charges for four years per meter after expiring of two years of defect liability period post commissioning. Note : The AMR system shall be done by Engineer/ rep of manufacturer company.

Supply, install, testing and commissioning of voltage stabilizer for automatic operation servo controlled 3 phase naturally air cooled 30 KVA confirming to IS 9815 designed for unbalanced load to stablise as per following specification :- (a) Micro Processor based servo controlled volatage stabiliser. (b) Indoor Type (c) Input voltage- 360 V - 470 V AC 3 phase (d) Output Voltage - 400 V +/- 1% (e) Frequency - 50 Hz (f) Rate of correction - 25 V/Sec phase to phase (g) Response time - Less than 10 mili second (h) Break down strength - 2500 AC for 2 minute (j) Insuration Resistance (IR) - More than 100 Mega ohms at 500 V DC (k) Duty cycle- Continuous (l) Metering - Digital Meter VA (m) Efficiency - 98% or more (n) Protection :- (i) High low voltage cutoff. (ii) Over Voltage, under voltage protection. (iii) Over load and short circuit protection. (iv) Phase reversal protection & Earth neutral voltage cut-off protection. (v) Bypass arrangement system. Note : The voltage stabilizer will be installed at 3rd floor at Bldg No 13.

Supply, install, testing and commissioning of voltage stabilizer for automatic operation servo controlled 3 phase naturally Oil cooled 100 KVA confirming to IS 9815 designed for unbalanced load to stablise as per following specification :- (a) Micro Processor based servo controlled volatage stabiliser. (b) Indoor Type (c) Input voltage- 360 V - 470 V AC 3 phase (d) Output Voltage - 400 V +/- 1% (e) Frequency - 50 Hz (f) Rate of correction - 25 V/Sec phase to phase (g) Response time - Less than 10 mili second (h) Break down strength - 2500 AC for 2 minute (j) Insuration Resistance (IR) - More than 100 Mega ohms at 500 V DC (k) Duty cycle- Continuous (l) Metering - Digital Meter VA (m) Efficiency - 98% or more (n) Protection :- (i) High low voltage cutoff. (ii) Over Voltage, under voltage protection. (iii) Over load and short circuit protection. (iv) Phase reversal protection & Earth neutral voltage cut-off protection. (v) Bypass arrangement system.

Supply, laying & Testing of cable XLPE Insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty)1100 Volts grade with stranded aluminium conductor of size 16 Sqmm 4 Core along wall including all necessary fixing arrangements, brackets, clamps, nuts, bolts, washers, etc. and terminating the cables at LT Panels by proper Glands, Lugs etc complete all as specified and directed.

Supply, laying & Testing of 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 95 Sqmm 3.5 Core along wall including all necessary fixing arrangements, brackets, clamps, nuts, bolts, washers, etc. and terminating the cables at LT Panels by proper Glands, Lugs etc complete all as specified and directed.

M & L for earthing chemical with copper plated 50 mm dia pipe 3 mtr long (100 microns) including Electrodite 50 Kg buried directly in ground including earth bore hole work (earth bore not less than 3 Mtr deep below normal ground level and connected to copper earth strip of size 20×3 mm by means of copper nuts bolts with washers and connected as per following specificatins:- (a) Product Model: ASEEL 19 CP, 3 meter long (Copper Plated) – 100 microns . ASHLOK’S Safe Earthing Electrode, ASEEL 193 CP 100, Conceptualized & Developed using ASHLOK’S Pipe - In -Pipe Technology, Designed & Manufactured using M.S Pipes, Outer Dia is 50 mm with a wall thickness of 2 mm, Inner Dia is 26 mm with a wall thickness of 2.6 mm, Overall Length is 3000 mm, External Corrosion Protection: Copper Plated (100+ microns), Internal Corrosion Protection: In addition to Copper Plated (100+ microns), a ground breaking corrosion resistant Crystalline Conductive Compound is filled and compacted in the cavity within the pipes to enhance the electrodes performance. Conforms to IS: 3043 - 1987 i.e., Code Of Practice For Earthing (+ 10%) variations in dimensions applicable. (b) Electrodite backfill: BARON’S Back Fill Compound(s), ELECTRODITE, Conceptualized & Developed by BARON’s R & D Centre, Manufactured using Eco - Friendly minerals, Blended homogeneously with conductive carbon(s), Resistivity: < 5 ohm-metre (In ideal moist conditions); > 5 ohm-metre (Dry Conditions), Ph Value: 7.0 - 8.5, High water retention capacity, Hygroscopic, Ionic & Electronic conduction, Swells when it comes in contact with water thereby engaging constant contact between the electrode surface & soil which is a crucial aspect in the performance of an earthing system. Packing Size : 25 kilograms, recommended for normal soil conditions. Conforms to IS : 3043 – 1987

Supply and Fix 20x3 mm Copper strip as earth contunity conductor laid in ground or drawn in conduit pipe of size 40 mm GI pipe light grade or fixed to poles or for loop earthing etc complete all as specified and directed. Notes : (i) The contractor should be in possession of valid electrical license to execute electrical works. (ii) Supervisor for execution of electrical works/ electrical component of works employed by the contractor shall possesses supervisor certificate of competency issued by concerned State Government/ Union Territory and the worker/ tradesmen for execution of electrical works/ electrical component of works shall hold necessary permit issued by concerned State Government/ Union Territory.

Radha Engineering Services

Shree Ayyappa Engineering

AGRAWAL ASSOCIATES