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| 1 | Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means over areas (exceeding 30 cm in depth 1.5 m in width as well as 10 sq.m. on plan) including disposal of excavated earth, lead upto 50 m andlift upto 1.5m, disposed earth to be levelled and neatly dressed |
| 2 | All kinds of soil |
| 3 | Ordinary rock |
| 4 | Hard laterite / Narikkal ( blasting prohibited) |
| 5 | Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means in foundation trenches or drains ( not exceeding 1.50 m in width or 10 Sq.M on plan ) including dressing of sides and ramming of bottoms, lift upto 1.50 m including getting out the excavated soil and disposal of surplus excavated soil as directed with in a lead of 50 m |
| 6 | All kinds of soil |
| 7 | Extra for every additional lift of 1.5 m beyond initial depth of 1.50 m |
| 8 | All kinds of soil. |
| 9 | Ordinary or hard rock |
| 10 | Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20 cm in depth,consolidating each deposited layer by ramming and watering, lead up to 50 metre and lift up to 1.5 metre. |
| 11 | Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - All work up to plinth level : |
| 12 | 1:2:4 (1 cement : 2 M sand : 4 graded stone aggregate 20 mm nominal size derived from natural sources) |
| 13 | 1:4:8 (1 cement : 4 M sand : 8 graded stone aggregate 40mm nominal size) |
| 14 | Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centring, shuttering, finishing and reinforcement - All work up to plinth level : |
| 15 | 1:1.5:3 (1 cement:1.5 M sand:3 graded stone aggregate 20mm nominal size) |
| 16 | Centring and shuttering including strutting, propping etc. and removal of form for: |
| 17 | Foundation, footings, bases of columns etc. for mass concrete |
| 18 | Lintels, beams, plinth beams, girders, bressummers and cantilevers. |
| 19 | Columns, Pillars, Piers, Abutments, Posts and Struts |
| 20 | Reinforcement for reinforced cement concrete works including straightening, cutting, bending, binding and placing in position all complete. |
| 21 | Thermo Mechanically Treated Bars |
| 22 | Smooth finishing of the exposed surface of R.C.C. work with 6 mm thick cement mortar 1:3 |
| 23 | 1:3 ( 1 cement : 3 fine sand) |
| 24 | Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement:6 coarse sand: 12 graded stone aggregate 20mm nominal size ) at plinth level with |
| 25 | Cement mortar 1:6 (1 cement : 6 coarse sand) |
| 26 | Finishing walls with water proofing cement paintof required shade:- |
| 27 | New work ( 2 or more coats applied @ 3.84 Kg/Sq.M) |
| 28 | Supply of MS hot dipped galvanized bolts, nuts, washers etc. .of different sizes as specified for tower works. |
| 29 | Placing of anchor bolts in sets including templates including all labours and handling charges and checking with template in line level, plumb etc. as per the direction of Engineer-in-charge. |
| 30 | SupplyingAnchorboltsfor fixing baseplateetc. requiredatsite as per specification. |
| 31 | Transportation of 40.0 mtr Ground basedtower materials by mechanical transportfrom ALATHUR TE Building store yard toNavakkode site, including sorting, loading, unloading and stackingat tower site including all incidental charges. (Approximate12 KM) |
| 32 | Erection ofFour Legged LightWeight Ground Based Communication Tower . |
| 33 | Providing gantry with galvanized MS angles, flats, channels, tees, pipes including cutting, drilling, welding, riveting, bolting, hoisting and fixing in position including embedding in cement concrete 1:2:4 (1cement : 2coarse sand : 4graded stone aggregate, 20mm nominal size) |
| 34 | Providing and applying paint of approved specification over the FourLeggedCommunication Towerindicated above. Apply two or more coats ofenamel paintorange/white of approved brand and manufactureas directed by Engineer-in-charge. |
| 35 | constructa chamberofinternal sizenot less than 280x280x250mmwithhalf brick wall including and fixingCImanhole coverof size300x300mmof 7.20kg (cover & frame)and plasteringthe chamber on all sides withcement mortar1:4 (1cement |
| 36 | constructa chamberofinternal sizenot less than 280x280x250mmwithhalf brick wall including and fixingCImanhole coverof size300x300mmof 7.20kg (cover & frame)and plasteringthe chamber on all sides withcement mortar1:4 (1cement : 4fine sand) andincludingdisposalof surplusexcavated earth if anywithin adistanceof 5kmlead as directed by the Engineer-in-charge. |
| 37 | Providing GIbus bar50x3mm connectedto thetinnedbottomportion of lightningconductor and to thering earth/ plate earthwith 2Nos. of 10mm dia. GI nuts & bolts (with lead sheath in between) at eachconnection . The buss barshall beclampedto the tower/buildingwallsatuniformintervalof 1.50m usingproperGI clampsand ceramicinsulatorssuchthatthebuss barshall bewell insulated from the towerbuildingwalls all completeas directedby the Engineer-in -charge (All joints shouldbecoveredbyShalimaror equivalentwater prooftapeand made air tight) |
| 38 | ProvidingGI strip of size50x3mm oneendconnectedto the tower legwithGI boltsand nuts( withleadsheathin between)includingprovidingand connectingthe legs at thebottomof towerand otherendshall be connectedto the GIplate earth /ringearthwith GI boltsand nuts(with leadsheathin between ) includingclampingthe downleadflatto wall/stems with outany sharpbendsusing necessaryclampsand screwsas directed by the Engineer -in charge. |
| 39 | Providing ring earth by excavatingof trench of width 500mm and depth 1200mm depth and laying GI flats of size 50x3mm and jointing this flats with plate earth [vide item No.17] and jointing at corners with 2Nos. of 10mm dia. GI bolts and nuts with necessary (lead sheath in between) including refilling etc. as directed (All joints should be covered by Shalimar or equivalent water proof tape and made water tight) |
| 40 | Providingand fixingcopperlightingconductorof 1500mmlength, 25mm dia.hollow tubeof wallthicknessnot less 1.60mmincludingtinningthe bottomportionof thespikefora lengthnotlessthan150mm(lightningconductorto befixedthe top of thetower) and connectingthe GI buss barto the lightning arrester using 2Nos. 100mm dia.brassbolts and nutsall completeas directed by the Engineer-in-charge- (All jointsshould becovered by Shalimaror equivalentwaterprooftape and made air tight] |
