ADDN / ALTN / REPAIR OF OLD VINTAGE OVERHEAD WATER TANKS UNDER GE (WEST) FEROZEPUR MIL STN

Note: Please refer Schedule 'A' Notes given on serial page No. 20 to 22 of tender documents.

Scaffolding : M&L for Providing erecting, removing and taking away steel tubular double scaffoldings using vertical props, horizontal ties and diagonal bracings and other necessary members, nuts, bolts, clamps etc. complete all as directed.

Surface Preparation : M&L for Removing/chipping upto required depth and cleaning of existing loose concrete carefully by manual using low impact frequency hammer without damaging the existing sound concrete including cleaning the surfaces by compressed air jet complete including removing loose concrete around the reinforcement.. The entire surface will be checked by light hammering (using 1 kg hammer) for detection of loose concrete. Edges of chipped patch shall bear vertical reverse cut with minimum depth at edges as 10 mm.All loose/sound concrete around corroded bar has to be removed to prepare well defined patch complete all as directed.

Rust Remover : M&L to Apply FOSROC Reebaklens RR / SIKA Rust off 100 / Smartcare Apcorep Rustrem with brush for complete wetting of rusted metal surface and allowed to react it for 16-24 hours. Cleaning the bars with wire brush, finish by thoroughly washing down with clean water and completely drying the bars before application of Anti corrosive coating complete all as directed.

Anti Corrosive Coating : M&L for Removal of loose concrete upto 20 mm beyond reinfrocement and treating the exposed reinforcement with rust remover and then treat the steel with epoxy based zinc rich anti corrosive coating FOSROC NITOZINC Primer/SIKA Ferrogard 950 IN/SmartCare Apcorep Rustcoat RB over the steel rebars at 40 microns dry film thickness complete all as directed.

Epoxy Bonding Agent : M&L for Providing and applying bonding agent FOSROC Nitobond EP / SIKADUR 32 LP IN / Sm artcare Apcorep multypurpose Epoxy Compound which shall be a solvent free epoxy based two component resin system . The bonding agent shall be applied by brush & should remain in tacky state after application for a minimum period of 5-6 hrs complete all as directed.

Non Shrink Microconcrete : M&L for Providing and applying single component free flowing, non shrink cementitious microconrete FOSROC Renderoc RG / SIKACRETE 145 IN / Smartcare microconcrete. The microconcrete used shall achieve compressive strength of 50 Mpa at 28 days complete all as directed.

Anti Carbonation Coating : M&L for Providing and applying primer and two coats of anti-carbonation coating FOSROC Deckguard E2000 / SIKAGARD-551 Elastic primer / Smartcare Apcorep Anti Carbon Coating to concrete members above ground. Coating must be applied to achieve total dry film thickness of not less than 200 microns complete all as directed.

Supply & Apply aluminised synthetic resin Concrete curing compounds for the prevention of premature water loss from concrete with Antisol-A 4 White or equivalent of FOSROC/SIKA/Asian Paints Consumption / Dosage: 0.10 to 0.20 kg/m2 complete all as directed.

Structural steel for encasing : M&L for Providing structural steel Fe 500 bars around the existing beams, columns and slabs of different diameters like 8, 10, 12 upto 25 mm complete all as directed.

Reinforcement bars anchoring : Supply and fixing reinforcement bar with Heavy Duty rebarring chemical Fosroc LOKFIX E77/SIKA Anchorfix 3030 - Pure Epoxy Chemical anchor grout with ETA approval from DIBt for diameter range from 8 mm to 40 mm reinforcement bar at provided embedment depth as per the manufacturer's specifications.

(a) 8 mm diameter of reinforcement bar 80 mm depth for distribution

(b) 16 mm diameter of reinforcement bar 240 mm depth for main bar

Fiber Reinforced Repair Mortars : M&L for Providing and applying dual shrinkage compensated fiber reinforced polymer modified repair mortar FOSROC Renderoc SP40/SIKAMONO TOP 122F/Smartcare repair mortar of 10 mm thichness on the prepared surface and curing with curing compound complete all as directed.

M&L for uni-directional High strength Carbon Fibre sheets Wrapping FOSROC Nitowrap CWS 300 GSM/SIKAWRAP 300 C IN/Smartcare Apcorep Ultrawrap CF using tamping rollers to avoid any air voids and sprinkling sand over it as directed; after priming of sub-strata with FOSROC Nitowrap 30 epoxy primer/SIKA SIKADUR 330 IN/Smartcare Apcorep ultrawrap primer and Nitowrap 410/SIKADUR 331 IN/ Smartcare Apcorep ultrawrap saturant impregnating resin saturant complete all as directed. Carbon fiber shall have tensile strength more than 4900Mpa.

鈀ᄀ錀က쨀ᄀ爀ࠅ 慗整⁲慔歮圠瑡

Excavating over areas, n exc1.5 m deep and getting out from the bottom surface of the tanks at least 1.5-2 m to reach the foundation of the structure in hard/ dense soil complete all as specified and directed.

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

Removal of surplus soil to a distance not exc 50 metre and depositing where directed at a level not exc 1.5 metre above the starting point complete all as specified.

Demolition of cement concrete of any description and in any position not otherwise specifically provided for complete all as specified and directed.

M&L for 100mm thick PCC 1:2:4, type B-1 using 20mm graded stone aggregates as in flooring etc complete all as specified and directed.

M&L for RCC M-30 for foundations, including rafts, footings, foundation beams, plinth beams, Padestal, bases for columns, etc.; basement slabs, under-reamed piles and mass concrete complete complete all as specified and directed.

Use and waste of formwork to rough finished flat square/rectangular or polygonal surfaces of sides of pillars, posts, struts, piers, columns, padestal and stanchions complete all as specified.

M&L for Framed work such as grills, gratings, railing 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; framework of water tanks and similar work conforming to Fe.290.Gde-E-165 complete all as specified and directed.

Preparation of new steel surfaces of any description, over 10cm width or girth and applying two coats of synthetic enamel paint over primed steel surfaces complete all as specified.

Preparation of old steel surfaces of any description, over 10cm width or girth and applying two coats of synthetic enamel paint complete all as specified.

Material & Labour for applying Two or more coats of Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance 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 applied @ 0.90 litre/ 10 sqm over new surfaces complete all as specified and directed.

Demolition of brick work or stone/boulder masonary built in cement mortor including all quoins, arches, pillars etc complete all as specified and directed.

M&L brick work with sub class 'B' bricks straight or curved on plan exceeding 6m mean radius built in c:m 1:6 complete all as specified and directed.

Excavating in trenches in soft/ loose soil not exceeding 1.50 m wide and not exceeding 1.50 m in depth for laying of pipe line or cable etc not exceeding 10 Sqm on plan and not exceeding 1.50 m in depth and getting out complete all as specified and directed.

Taking up cast iron watermains (including all fittings),with spigot and socket ends and lead joints including burning out joints and recovering lead 150 mm dia complete all as specified and directed.

Supply and lay in replacement of Centrifugally cast (spun) ductile iron pressure pipes with double end flanged, 150 mm dia class K-9 conforming to IS: 8329/2000 suitable for nut & bolts including all fitting bend, tee etc. jointing with centrifugally applied inside cement mortar lining with portland slag cement as per IS: 455:1989 and external metallic zinc coating as per annex A of IS 8329 with finishing layer of Bitumen coating as per Annex C of IS: 8329. The standard lengths of the pipes are 5.50 meter (subject to tolerance as per clause 15.5.1 of IS: 8329:2000). Pursuant to clause 15.5.1 of IS8329, 10% of pipes in each size, may be supplied in shorter lengths, complete all as specified and directed. Make : Electrosteel and equivelent.

S&F of Sluice valve of class PN-1.6 with steel spindle and both ends flanged of 150 mm bore, conforming to BIS 14846 alongwith taking out of sluice valve of 150 mm bore complete all as specified and directed.

S&F of Non Return valve R/Flap FL duly ISI marked and both ends flanged of 150 mm bore, conforming to BIS 5312 alongwith taking out of Non return valve of 150 mm bore complete all as specified and directed.

Supply, Installation,Testing and Commissioning in replacement of Ultrasonic Level Transmitter at Sump for measurement of level with following specification:- Range : 0-8 meters Accuracy : 0.5 % minimum Supply Voltage : 24V DC Output : 4-20 mA , 0-10V DC Make: Nivelco / Siemens / Banner

Supply, Installation Testing & Commissioning in replacement of Outdoor type having Canopy and Double Door for weather protection, PLC ( Programmable Logic Controller) based Automation, Protection Panel suitable for control and monitoring of 01 Nos. Ultrasonic Sensor. The panel should be of minimum size 600(H) X 600(W) X 250(D) mm fabricated from 3.15 mm CRCA Sheet. The Panel shall be comprised the following functions & items:- (i) Water Level Sensing & Display (ii) 01 No. PLC with following specifications:- (MAKE:- SCHNEIDER/SIEMENS/ABB/PHOENIX CONTACT) (a) Non isolated RS 485 communication port or Ethernet communication port. (b) Suitable No. of digital / analog input and outputs. (c) Programming software based on IEC to facilitate building of custom build function blocks. (iii) 01 no. HMI - 7" Graphical Touch screen display (Make: SCHNEIDER / SIEMENS/ ABB/ PHOENIX CONTACT) (a). Should have 01 No. RS 485 and 01 No. USB programming port. (b). Should have USB downloading port. (c). Support external data storage on a USB memory stick for storing production data and backing up applications (iv) 01 No. SMPS of 1.5A rating as suitable according to panel design. (Make: SCHNEIDER / OMRON / PHOENIX CONTACT) (v) MCB rating 6-10A. (Make:- Legrand/ Schneider/ABB) (vi) Indicator lamp :- As per requirement (Make:- Schneider/ ESBEE/ABB) CRCA Enclosure:- Make (UNIVERSAL SWITCH GEAR CONTROL / HOFFMAN / ADLEC / TRICOLITE ) Make of the PLC based panel:- (Universal Switch Gear Control or equivalent in ABB Automation/Tricolite/GE Automation)

Supply and laying in replacement of polythylene and unplasticised PVC pipe Low density polyethylene pipes (LDPE) 20 mm bore of pressure rating 6 kg/ cm2 laid in trenches for drawing 4 core screened/ shielded communication cable complete all as specified and directed.

Supply and fixing in replacement of 2 Core 1.5 sq. mm PVC sheathed PVC insulated copper armoured cable. Make: Havells/Polycab/Gloster

Supply and fixing in replacement of 4 Core 1.5sq.mm. PVC sheathed PVC insulated copper armoured cable. Make: Havells/Polycab/Gloster

Supply and fixing in replacement of integral LED aviation ligt luminaires comprising of aluminium housing with polycarbonate enclosure completed fixing on the top of the OHT having height of 15 Mtr to 21 Mtr alongwith MS mounting surface of suitable size grooved on the top of the said OHT complete all as specified and directed. Make : Bajaj Cat part No BGAV 302 LED or equivelent in Havells/ Philips.

M&L in replacement for Air termination, single pointed aluminium rod 12mm dia and 300mm long complete fixed on the middle top of OHT on the four insulator frame made out of flat copper earthing strip of size 25x4 mm complete all as specified and directed.

M&L in replacement for test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 Nos 8 mm dia 25 mm long hex head screw fixed on the column of OHT at the height of 4 ft from the ground level upon the four insulator frame made out of flate copper earthing strip of size 25x4mm complete all as specified and directed. Note :- The same shall be cover with SS box of suitable size with provision of lock and key. The rates for the same arrangement shall deemed to be included in the quoted rates.

M&L in replacement of Aluminium strip 25 x 3.15mm with saddles and fixing screws etc. for roof conductors and down conductors above ground fixed with porcelene insulator at the interval of 1 mtr complete all as specified and directed.

M&L in replacement for Earthing complete with galvanized steel plate elecrode of size 60 cm x 60cm x 6.0 mm thick burried directly in ground vertically to a depth not less than 2.5 mtr below the ground level with top edge of earth plate at a depth not less than 1.5 mtr below ground level. Earth plate surrounded by 15mm thick packed alternative layers of charcoal dust and comman salt, earth lead GI strip 25 x 4 mm by means of bolts , nuts, check nuts and washers of galvanised iron with thimbles. The other end of GI earth wire is connected to main switch board and protected by light grade GI pipe of 15 mm bore. provision of 20mm bore light grade GI pipe for watering including GI funnel and wire mesh. Pipe shall be provided vertically upto top level of earth pit and then taken horrizontally to the earth pit. Cement concrete chamber of PCC (1:3: ) type C-2 using 40 mm graded stone aggregate.The chamber shall be constructed one metre away from edge of earth pit. 50 mm thick pre cast cover of cement conrete (1:2:4) type B-1 using 20 mm graded stone aggregate, excavation in soft / loose soil, returning filling and removal of surplus soil to a distance of 50 mm as directed and shown in Electrical Plate No- 3 of SSR Part-1 (2009) complete all as specified and directed.