Construction of ATC Tower and Technical Block at NSCBI Airport, Kolkata. SH Development and maintenance of Horticulture feature.

Amount

Clearing grass and removal of the rubbish up to a distance of 50 m outside the periphery of the area cleared.

Trenching in ordinary soil up to a depth of 60 cm including removal and stacking of serviceable materials and then disposing of surplus soil, by spreading and neatly levelling within a lead of 50 m and making up the trenched area to proper levels by filling with earth or earth mixed with sludge or / and manure before and after flooding trench with water (excluding cost of imported earth, sludge or manure).

Rough dressing the trenched ground including breaking clods.

Flooding the ground with water including making kiaries and dismantling the same.

Uprooting weeds from the trenched area after 10 to 15 days of its flooding with water including disposal of uprooted vegetation.

Supplying and stacking of good / Red earth at site including carriage will all leads and lifts as per direction of Engineer-in-charge.(earth measured in stacks will be reduced by 20% for payment).

Supplying and stacking of cowdung manure at site including carriage will all leads and lifts as per direction of Engineer-in-charge.(manure measured at stack shall be reduced by 8% for payment).

Fine dressing of the ground.

Spreading of sludge, dump manure and/or good earth in required thickness as per direction of officer-in-charge (cost of sludge, dump manure and/ or good earth to be paid separately).

Preparation of beds for hedging and shrubbery by excavating 60 cm deep and trenching the excavated base to a further depth of 30 cm, refilling the excavated earth after breaking clods and mixing with sludge or manure in the ratio of 8:1 (8 parts of stacked volume of earth after reduction by 20% : one part of stacked volume of sludge or manure after reduction by 8%), flooding with water, filling with earth if necessary, watering and finally fine dressing, leveling etc. including stacking and disposal of materials declared unserviceable and surplus earth by spreading and leveling as directed, within a lead of 50 m, lift up to 1.5 m complete (cost of sludge, manure or extra earth to be paid for separately).

Digging holes in ordinary soil and refilling the same with the excavated earth mixed with manure or sludge in the ratio of 2:1 by volume (2 parts of stacked volume of earth after reduction by 20% : 1 part of stacked volume of manure after reduction by 8%) flooding with water, dressing including removal of rubbish and surplus earth, if any, with all leads and lifts (cost of manure, sludge or extra good earth if needed to be paid for separately) Holes 1.2 m dia and 1.2 m deep

Digging holes in ordinary soil and refilling the same with the excavated earth mixed with manure or sludge in the ratio of 2:1 by volume (2 parts of stacked volume of earth after reduction by 20% : 1 part of stacked volume of manure after reduction by 8%) flooding with water, dressing including removal of rubbish and surplus earth, if any, with all leads and lifts (cost of manure, sludge or extra good earth if needed to be paid for separately) Holes 60 cm dia, and 60 cm deep

Providing and stacking of mimusops elengi of height 150-165 cm. in bag of size 25 cm as per direction of the officer-in-charge.

Providing and stacking of Foxtail palm wodyetiya bifurcata of ht.240-270 cm trunk bottom size 35 to 49 cm with well developed in big poly size HDPE bag.

Providing and stacking of Sanchezia nobilis having ht. 30 cm & above, well developed with fresh & healthy foliage in 20 cm size of Earthen pot/ Plastic pot & as per direction of the officer-in-charge.

Providing and stacking of Eranthemum nigrum having ht. 30 cm & above, well developed with fresh & healthy foliage in 20 cm size of Earthen pot/ Plastic pot & as per direction of the officer-in-charge.

Providing and stacking of Hamelia Patens Dwarf having ht. 30 cm & above, well developed with fresh & healthy foliage in 20 cm size of Earthen pot/ Plastic pot & as per direction of the officer-in-charge.

Providing and stackingof Alpinia Speciosa having ht. 30 cm & above, well developed with fresh & healthy foliage in 20 cm size of Earthen pot/ Plastic pot & as per direction of the officer-in-charge.

Providing and stackingof Acalypha Wilkwsiana having ht. 30 cm & above, well developed with fresh & healthy foliage in 20 cm size of Earthen pot/ Plastic pot & as per direction of the officer-in-charge.

Providing and stacking of Codiaeum Variegatum having ht. 30 cm & above, well developed with fresh & healthy foliage in 20 cm size of Earthen pot/ Plastic pot & as per direction of the officer-in-charge.

fProviding and stackingof Tabernaemontana coronaria Dwar having ht. 30 cm & above, well developed with fresh & healthy foliage in 20 cm size of Earthen pot/ Plastic pot & as per direction of the officer-in-charge.

Providing and stackingof Clerodendrum inerme having ht. 30 cm & above, well developed with fresh & healthy foliage in 20 cm size of Earthen pot/ Plastic pot & as per direction of the officer-in-charge.

Providing and stacking of BahuniaTomentosa having ht. 30 cm & above, well developed with fresh & healthy foliage in 20 cm size of Earthen pot/ Plastic pot & as per direction of the officer-in-charge.

Plantation of trees Plants at site i/c watering and removal ofunserveiceable material’s as per direction of officer in charge (excluding cast of plant & water)

Plantation of Shrubs Plants at site i/c watering and removal ofunserveiceable material’s as per direction of officer in charge (excluding cast of plant & water)

Plantation of Hedge Plant /Ground cover at site i/c watering and removal ofunserveiceable material’s as per direction of officer in charge (excluding cast of plant & water)

Supply of seasonal plants/seedlings, pitunia/ dahlia /dianthus / inca merygold / phlox / salvia / gazania species / french merigold / poppy species / sweet william / zinnia species / dwarf sungold sunflower / gaillardia / cosmos flower etc. in thum pot and plantation as per direction of officer in charge.

Complete maintenance of the entire garden features having as per yardstick in the garden area i.e. lawn, hedge, trees, shrubs, herbs ground cover, rockeries, seasonal beds, foliage, creepers, etc. i/c hoeing, lawn mowing, hedge cutting, watering, weeding, pruning, clipping of ground covers, replacement of plants, gap filling, grass cutting by lawn mover and bush cutter, cleaning & removal of garden rubbish, applying insecticides and pesticides and fertilizers,(wherever required), top dressing of lawn with manure and maintenance of other garden related works as directed by officer in charge. (1440 sqmt X12 months=17280 sqmt)

Providing, displaying and maintenance of Aglaonema Parrot Jungle plant (three in one), having ht. 30 cm and above with 20 to 25 leaves, well developed, fresh & healthy in 25 cm size of terra cotta Plastic pot with bottom tray as per direction of the officer-in-charge.(50 nos x 12 months=600 nos.).

Providing, displaying and maintenance of Araucaria cookie having ht. 90 cm to 120 cm, straight, well developed, fresh and healthy with lush green leaves from bottom to top in 25 cm size of of terra cotta Plastic pot with bottom tray as per direction of the officer-in-charge.(100 nos x 12 months=1200 nos.).

Providing, displaying and maintenance of Areca Palm plant, having ht. 90 cm to 1.20 m with 4 to 5 suckers, well developed, fresh and healthy with lush green foliage in 25 cm size of terra cotta Plastic pot with bottom tray as per direction of the officer-in-charge.(100 nos x 12 months=1200 nos.).

Providing, displaying and maintenance of Dracaena Song of India plant (three in one), having ht. 30 cm and above, multibranchesed, well developed with fresh and healthy leaves in 25 cm size of terra cotta Plastic pot with bottom tray as per direction of the officer-in-charge.(50 nos x 12 months=600 nos.).

Providing, displaying and maintenance of Money Plant Broad Leaves mounted on moss stick 90 cm ht., 3 to 4 plants in each pot, well developed with full of fresh & healthy leaves in size of 25 cm Top dia x 18 cm Bottom dia x 25 cm Perpendicular height size of terra cotta Plastic pot with bottom tray as per direction of the officer-in-charge.(100 nos x 12 months=1200 nos.).

Providing, displaying and maintenance of Raphis Palm plant, having ht. 75 cm to 90 cm with 12 to 15 equal suckers, well developed, full of fresh & healthy leaves from bottom to top in 25 cm size of terra cotta Plastic pot with bottom tray as per direction of the officer-in-charge.(100 nos x 12 months=1200 nos.).

GREEN BENGAL