West Bengal Zoo Authority Tender

Antitermte treatment to the top surface of the consolidated earth within plinth walls with chemical emulsion by admixing Imidaclopride emulsifiable concentrates (105ml in 50 litres) with water at the rate of 5 Litres per sq.m of the surface before sand bed or sub grade is laid. Hole upto 50mm. to 75mm. deep at 150mm. centre to centre both ways shall be made with 12mm diaetre mild steel rod on the surface to facilate saturation of the soil with the chemical emulsion. The work shall be carried out as per specification described in 7.2.3 of code IS-6313 (part-II) 2013. (Mode of measurement will be plan area of plinth treated.)

Compacting original ground supporting subgrade Loosening of the ground upto a level of 300 mm below the subgrade level, watered, graded and compacted in layers to meet requirement of Tables 300.1 and 300.2 for subgrade construction as per Clause 305.3.4 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

Filling in foundation or plinth by fine sand stacked at site.) in layers not exceeding 150mm as directed & consoling the same by through saturation with water ramming complete including the cost of supply of sand (Payment to be made on measurement of finished quantity)

Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand.

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement, if any, in ground floor as per relevant IS codes. Pakur variety.

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. (i) Pakur Variety.Grade Roof & above

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction. Tor steel (JSW / JSPL / SHYAM /SRMP /BMASL / ELECROSTEEL / SSL )

Hire and labour charges for shuttering with centreing and necessary staging. using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams, columns, lintels curved or straight including fitting, fixing and striking out after completion of works. Steel shuttering or 9 to 12 mm thick approved quality plyboard shuttering in any concrete work.

Brick work with 1st class bricks in cement mortar (1:6). In superstructure.

M.S. structural works in columns, beams etc. with simple rolled structural members (e.g. joists, angle, channel sections conforming to IS: 226, IS: 808 & SP (6)- 1964 connected to one another with bracket, gussets, cleats as per design, direction of Engineer-incharge complete including cutting to requisite shape and length, fabrication with necessary bolting, metal arc welding conforming to IS: 816- 1969 & IS: 1995 using electrodes of approved make and brand conforming to IS:814- 2004, haulage, hoisting and erection all complete. The rate includes the cost of rolled steel section, consumables such as electrodes, gas and hire charge of all tools and plants and labour required for the work including all incidental chages such as electricity charges, labour insurance charges etc. For structural members of specified sections weighing less than 22.5 Kg./m

M.S. structural works with hollow sections (square or rectangular shape) conforming to IS: 806-1968 & IS:1161-1998) connected to one another with bracket, gusset, cleat as per design, drawing & direction of Engineer-in-Charge complete including cutting to requisite shape & size, fabrication including metal arc welding conforming to IS: 816-1969 & IS: 9595 using electrodes of approved make and brand conforming to IS:814- 2004, haulage, hoisting and erection all complete. The rate includes the cost of all M.S. Hollow section, all consumables such as electrodes, gas and hire charges of all tools and plants and labour reqired for execution and all incidental chages (such as electricity, labour insurance) etc. complete. For other Structural works like galleries etc.

Supplying, fitting, fixing, Chain link fencing of approved quality with R.C.C posts wooden posts or iron posts by means of galvanised "C" clips to grid of horizontal strands of galvanised high tensile spring steel wire of 12 S.W.G which have to be tensioned and fixed to the vertical posts by means of galvanised special clips, bolts and nuts etc. 25 mm. x 25 mm. x 12 g.

Supplying bubble free float glass of approved make and brand conforming to IS: 2835-1987. 12mm thick cleared toughened glass coforming to IS: 2553-1992 (Part-II)

Providing and supplying aluminium extruded tubular and other aluminium sections as per the architectural drawings and approved shop drawings , the aluminium quality as per grade 6063 T5 or T6 as per BS 1474,including super durable powder coating of 60-80 microns conforming to AAMA 2604 of required colour and shade as approved by the Engineer-in-Charge. ( The item includes cost of material such as cleats, sleeves, screws etc. necessary for fabrication of extruded aluminium frame work. Nothing extra shall be paid on this account). The weight of aluminium extruded section shall be taken for purpose of payment

Supplying and Laying in the specified pattern of Interlocking Concrete block pavements (ICBP) with concrete blocks (with Concrete grade as specified as per Table I of IS 5658: 2006) manufactured from BIS licensee manufacturer, with spacer nib (Small protruding profiles on the vertical face of a paver block used as a device for keeping minimum joint gap in between the paving blocks. as per CI No. 3.26 of IS: 15658 and of specified size and shape with aspect ratio (The ratio of length to thickness of a paver block as per CI. No. -3.3 of IS: 15658) as per Table 2 of IS :15658 with flexural strength / breaking load as per Annexure G of IS:15658, on the prepared base course of specified CBR as per Table 1 of IRC SP 63 (2018)or else as mentioned in design and drawing with a cushion of compacted bedding sand of 25-35 mm thick (Grading of the bedding sand as per clause 6.5.1 of IRC Sp-63) and filling up the gaps in between paver blocks with joint filling sand (the grading of the joint filling sand will cut blocks as per CI. No. 8.7 of IRC Sp -63 (2018) with proper confinement of bedding and joint filling sand compaction levelling and filling up of the edge gap. 60mm Thick. Colour Decorative

Supplying Glazing Silicon of approved make and brand for fixing of Glass on Sub-frame as per direction of Engineer-in-charge for Structural Glazing/Curtain wall etc. Glazing Silicon for fixing Glass on Sub frame

ADD GST 18% on Total cost of civil works

Add @ 1 % For labour welfare cess