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| 1 | 1) Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared |
| 2 | 2) Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : |
| 3 | 2.1) 1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources) |
| 4 | 3) Random rubble masonry with hard stone in foundation and plinth includinglevelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12graded stone aggregate 20 mm nominal size) upto plinth level with : |
| 5 | 3.1) Cement mortar 1:6 (1 cement : 6 coarse sand) |
| 6 | 4) Steel work welded in built up sections/ framed work, including cutting,hoisting, fixing in position and applying a priming coat of approved steelprimer using structural steel etc. as required. |
| 7 | 4.1) In gratings, frames, guard bar, ladder, railings, brackets,gates and similar works |
| 8 | 5) Dry stone pitching 22.5 cm thick including supply of stones and preparing surface complete. |
| 9 | 6) 75 mm thick back filling for pitching including supplying of requiredmaterials and consolidation etc. complete with : |
| 10 | 6.1) Moorum |
| 11 | 6.2) Stone aggregate 20 mm nominal size |
| 12 | 6.3) Stone aggregate 40 mm nominal size |
| 13 | 7) Pointing on stone work with cement mortar 1:3 (1 cement : 3 fine sand) : |
| 14 | 7.1) Flush/ Ruled pointing |
| 15 | 8) Providing & making Gabion structure with Mechanically Woven Double Twisted Hexagonal Shaped Wire mesh Gabion Boxes as per IS 16014:2012,MORTH Clause 2500, of required size, Mesh Type 10x12(D=100 mm with tolerance of ± 2%) Zinic+PVC coated, Mesh wire diameter2.7/3.7mm, mechanically edged/selvedged with partitions at every 1m interval and shall have minimum 10 numbers of openings per meter of mesh perpendicular to twist, tying with lacing wire of diameter 2.2/3.2mm(ID/OD), supplied @3% by weight of Gabion boxes, filled with boulders with least dimension of 200 mm, as per drawing, all complete as per directions of Engineer-in-charge. |
| 16 | 9) Painting with black anti-corrosive bitumastic paint of approved brand and manufacture to give an even shade : |
| 17 | 9.1) Two or more coats on new work |
| 18 | 10) Earth work in excavation by manual in all type of soil including , sludge , muck , soft rock and lift upto 1.5 mtr. including maintaining stable side slope , dressing of sides , making bund for diverting water , trimming , shoring , lifting dewatering in all lift including getting out excavated unserviceable soil and other material and disposed of surplus material at any lead as directed.( All material , machinery & equipment arrange by contractor). |
| 19 | 11) Supplying and laying hard stone 22.5cm thick of weight more than 40 Kg for soling under water and / or liquid mud including cost of pumping or bailing out water and removing slash etc. complete. (All material , machinery & equipment arrange by contractor). |
| 20 | 12) Providing TATA EX 200 or equivalent ofminimum 0.90 cum capacity bucket, crawlermounted excavator with operator, helper, fuel, lubricants, transportation, etc. on hire basis for cleaning, widening & deepening of natural nallah and diversion nallah including cutting of vegetation, removal of wild growth, removal of bushes, excavating waste lignite, soil, mud, fly ash, rubbles, etc. and loading in to dumper or on side banks of nallah as per availability of approaches and possibilities of direct loading into dumpers with the help of crawler mounted excavator, as directed by Engineer-in-charge. The purpose of this activity is to ensure free flow of water during rainy days. No separate payment shall be made for cutting the wild growth of vegetation & cleaning up the nallah which are included in the scope of work. |
| 21 | 13) Providing Trucks/Dumpers of minimum 8 MT capacity with operator, helper, fuel,lubricants, transportation, etc.on hire basis for transporting excavated stuff, vegetation, etc. of natural nallah as removed by Excavator up to 10 Km lead on aerial distance (one side) inMCD dump yard or other designation locations as directed by Engineer-in-charge. Payment will be made on the basis of nos. of trips carried byDumper/Truck as per in& out gatepass entry certified by IIT Delhi Security Unit. Dumpers/trucks in sufficient nos. to be deployedso that stuff removed / excavated from nallah by excavator shall be disposed on immediate possible extent. |
| 22 | 14) Supplying JCB 3D at hire charges withoperator, fuel, etc. for excavation,making approach, loading & unloading of excavated stuff ofnatural nallah in to dumpers where direct loading of the excavated stuff in dumpers by excavatoris not possible due to approach constraints. |
| 23 | 15) Providing Trucks/Dumpers of minimum 4 MT capacity with operator, helper, fuel, lubricants, transportation, etc. on hire basis (including JCB for loading) for transporting excavated stuff, vegetation, etc. of natural nallah up to 05 Km lead on aerial distance (one side) in MCD dump yard or other designation locations as directed by Engineer-in-charge. Payment will be made on the basis of nos. of trips carried by Dumper/Truck as per in& out gate pass entry certified by IIT Delhi Security Unit. No separate payment will be made for JCB hours. |
| 24 | 16) Job work of deploying 03 nos. manpower for clearing / removal of floating materials from the open channel and maintaining the smooth flow of storm water including stacking the removed / desilted materials upto any distance for transportations or any other purpose etc.including necessary T&P and safety measures during work, all complete as per the direction of Engineer-in-charge. |
| 25 | 17) Supplying, placing , fixing and operational at site diesel de-watering sludge pumps, delivery to the nearest disposal location upto maximum distance of 250.0 mtr of suitable diameter including hire charges of pump, fittings cost of diesel and other consumables including manpowers for maintance and placing & shifting of pump from one site to another site ( if required ) etc. all as directed by Engineer in charge. Necessary PPE/Safety equipments is in the scope of contractors, as per safety norms. |
| 26 | 17.1) 1 Nos. 10 HP Diesel Pump for sludge de-watering |
| 27 | 17.2) 2 Nos. 7.5 HP Diesel Pump for sludge de-watering |
| 28 | 18) Providing and laying 300 mm thick compacted bed of dry brick aggregate of 40 mm thick nominal size including spreading, well ramming, consolidating and grouting with jamuna sand, including finishing smooth etc. complete as per direction of Engineer-in-charge. |
| 29 | 19) Supplying and laying river pebble stone of size more than 50 mm thick for soling under water and / or liquid mud including cost of pumping or bailing out water and removing slash etc. complete as direction of Engineer-in-charge. |
