DESCRIPTION This work shall consist of clearing, grubbing, removing of top soil and removing and disposing of all vegetation and debris within the limits except such objects as are desig
Trang 1SECTION 02100 - SITE CLEARING
TABLE OF CONTENTS
1 DESCRIPTION 1
2 CONSTRUCTION REQUIREMENTS 1
2.1 General 1
2.2 Clearing and Grubbing and Tree Removal 1
2.3 Topsoil Stripping 2
2.4 Protection of Areas Designated to Remain 2
3 DISPOSAL OF CLEARED MATERIAL 2
4 MEASUREMENT AND PAYMENT 3
4.1 Method of Measurement 3
4.2 Basis of Payment 3
Trang 2SECTION 02100 - SITE CLEARING
1 DESCRIPTION
This work shall consist of clearing, grubbing, removing of top soil and removing and disposing of all vegetation and debris within the limits except such objects as are designated to remain in place or are to be removed in accordance with other Specification sections
This work shall also include the protection of all vegetation and objects designated to remain
2 CONSTRUCTION REQUIREMENTS
2.1 GENERAL
The Engineer will establish the limits of work and designate all trees, shrubs, plants and other things to remain The Contractor shall protect and preserve all items designated to remain
2.2 CLEARING AND GRUBBING AND TREE REMOVAL
(a) All surface objects and all trees, down timber, rotten wood, stumps, roots, snags, brush, other vegetation, rubbish, and other protruding obstructions, not designated to remain, shall be cleared and/or grubbed, including disposal as required
(b) In areas under roadway embankments, from which top soil or unsuitable materials are to be removed or which are designated to
be compacted, all stumps and roots shall be removed to a depth at least 50 cm below the original ground surface and at least 50 cm below the bottom of the lowest pavement layer
(c) In roadway cut areas, all stumps and roots shall be removed to a depth of not less than 50 cm below the finished subgrade level (d) Clearing and grubbing of pits, channel changes and ditches will be required only to the depth necessitated by the excavation within those areas
(e) Voids left after removal of roots shall be filled with suitable compacted material
Trang 32.3 TOPSOIL STRIPPING
(a) In areas under roadway embankments or where designated by the Engineer, the Contractor shall remove the topsoil and dispose of it
as directed by the Engineer
(b) In general the removal of topsoil shall include only the removal of soil which is sufficiently fertile to encourage or sustain a growth of vegetation
(c) Removal of topsoil over any designated area shall be executed to the depth as directed by the Engineer, and the topsoil shall be kept separate from other excavated material
2.4 PROTECTION OF AREAS DESIGNATED TO REMAIN
In areas designated by the Engineer, the Contractor will be responsible for the protection and routine maintenance of existing shrubs, trees and grassed areas On completion of the Works these areas will be returned
to the Employer in the same condition as before and any damage due directly or indirectly to the Contractor's operations shall be made good
at his own expense
3 DISPOSAL OF CLEARED MATERIAL
The Contractor shall have the right to use un-saleable timber (or saleable timber when permission is granted in writing by the appropriate Government agency or authority) for his own purposes in connection with the Contract; always provided that he has ascertained and complied with the requirements of the appropriate Government agency or authority
Saleable timber shall be neatly stored in an approved accessible place within or near the right-of-way as directed and shall be trimmed and stacked in accordance with the requirements of the appropriate Government agency
(a) All other timber, except timber to be used, and all brush, stumps, roots, logs, and other refuse from the clearing and grubbing operation shall be disposed of at locations provided by the Contractor
(b) The roadway and adjacent areas shall be left with a neat and finished appearance No accumulation of debris shall remain on or adjacent to the right-of-way
Trang 44 MEASUREMENT AND PAYMENT
4.1 METHOD OF MEASUREMENT
Clearing and grubbing, topsoil stripping and protection of designated areas, will together be considered as Site Clearing, and will be paid for
by 10 square meters, based on field measurements and areas approved
by the Engineer Removal of Existing Trees will be paid for by number of trees removed or protected of 200 mm diameter or grater as approved
by the Engineer No separate payment shall be made the removal or protection of trees of diameter less than 200 mm
4.2 BASIS OF PAYMENT
The work measured as provided above shall be paid for in accordance with applicable Unit Prices as indicated on the Bid Price Schedule Payment shall be full compensation for furnishing all labor, materials, tools, equipment and incidentals necessary to do the work and for doing all the Site Clearance and Tree Removal in required areas, designated areas and in locations as designated by the Engineer Payment shall be inclusive of all necessary, removal and proper disposal of materials
02100-1 Clearing and Grubbing 100 m2
02100-2 Removal of Existing Trees (min.dia.200 mm) each