DILI - Blue Roof Tree Removal - SOW.pdf

July 27, 2026 Project: Tree removal Site : Blue Roof Compound

Avenida de Portugal Dili, Timor-Leste

Scope of Work of Tree Removal

1. Scope of Work

To provide all labor, supervision, equipment, services, and expertise necessary to perform removal of one big banyan tree including the removal of its stump inside the blue roof housing compound in Dili, Timor-Leste. Since this work is of a potentially dangerous nature, and requires special expertise, it is to be performed by an experienced contractor work and whose employees are highly trained and skilled in all phases of tree service work. Contractor must have been in business for at least five years. The Contracting Officer’s Representative (COR) will require proof of Contractor's involvement in tree service work. The Contractor shall use special care to protect public and private property. The Contractor shall take special care so as not to damage any utility lines in the process of cutting and removing the trees. The Contractor shall maintain proper barricades and watchpersons during the cutting and removal of trees.

2. GENERAL

The contractor shall provide all labor, tools, equipment, materials, supervision and services, unless otherwise specified, to complete the work required herein. All equipment necessary or required in connection with this type of work must be on hand, proven to be in first class working condition, and approved by the COR before this work will be permitted to begin.

All the work and procedures in the contract shall be performed in conformity to the specifications. All local labor standards for occupational safety and health apply to this construction contract. All work will be performed to the highest standard of quality in a first class manner.

2.1 Contractor must take full responsibility for their employee and subcontractors from the beginning to end of the project.

2.2. Contractor must employ only workers legally authorized to work.

2.3. Contractor will provide the necessary protective clothing, safety strap for working on high level, mask safety glass, for their employees and will enforce all safety/accident prevention regulations as required by the local government and hold the U.S.

Government harmless in all such matters.

2.4. The contractor will perform top-quality work and in accordance with the Scope of Work and ensure the required guarantee for his work.

2.5 The contractor will be responsible to prevent, or if occurs, repair any and all damages caused by the contractor or contractor’s employees.

2.6. Contractor is to provide all materials, tools, equipment, transportation and other facilities necessary for the execution and completion of the work.

2.7. Contractor must report immediately any accident that may happen during work.

2.8. CONTRACTOR’S QUALIFICATIONS

In order to be considered for Contract award, the Bidder must be able to demonstrate that they currently provide, or has provided Trimming & Removal Services that is similar in size and scope to this Contract. The Bidder must have three references documenting previously performed Tree Trimming & Removal Services. References shall be provided in a Reference Sheet. The Contractor shall be regularly engaged in providing the services stated in this Scope of Work for a minimum of three (3) consecutive years within the last five (5) years. Prior to award of a Contract, the POC reserves the right to inspect the Bidder’s equipment condition, capabilities, staff experience, training, and storage capabilities as they relate to the performance of this Contract.

3. Work Procedures

3.1 Equipment: All bidders must have in their possession or available to them by formal agreement at the time of bidding: trucks, devices, chippers, hand tools, aerial and other equipment, and supplies which are necessary to perform the work as outlined in these specifications. The COR may inspect such equipment or agreements prior to the awarding of a contract.

3.2. Tree Location: Work limited to trees located on U.S. GOV -owned property. All work under this contract shall be assigned by supplying the Contractor with a list of trees that have been marked if tree is to be removed. The U.S. GOV reserves the right to change, add, or delete areas or quantities to be removed as it deems to be in its best interest.

Removal operations will commence no later than thirty (30) days after the contract has been awarded. The Contractor will be responsible for notifying the appropriate utility authority before pruning trees in the utility wires. Contractor will be responsible for any damage to utilities during the removal or treatment process.

3.3. Supervision: Contractor consults with the COR concerning details of scheduling of all work. Contractor has a competent person in charge of his work at all times to whom the POC may issue directives and who shall accept and act upon such directives. Failure for the supervisor to act on said directives shall be sufficient cause to give notice that the Contractor is in default of contract unless such directives would create potential personal injury of safety hazards.

3.4. Inspections: The COR inspects work at its discretion. Immediate correction of any work not done to industry standards as noted by the COR will be communicated to the contractor and will be performed by the contractor at no additional expense to the US Government.

3.5. Traffic Control: The contractor shall be solely responsible for pedestrian and vehicular safety and control within the work site and shall provide the necessary warning devices, barricades, and personnel needed to give safety, protection, and warning to persons and vehicular traffic within the area.

3.6. Utility Agencies: Are contacted by Contractor any time assistance is needed to work safely around overhead or underground installations. Tree pruning, removal operations may be conducted in areas where overhead electric, telephone, and cable television facilities exist. The Contractor shall protect all utilities from damage, shall immediately contact the appropriate utility if damage should occur, and shall be responsible for all claims for damage due to his operations.

The Contractor shall make arrangements with the utility for removal of all necessary limbs and branches that may conflict with or create a personal injury hazard in conducting the operations of this contract.

3.7. Safety: Work conforms to the latest revision of American National Standards Institute Standard Z-133.1 (Safety Requirement for Pruning, Trimming, Repairing, Maintaining, Removing Trees, and for Cutting Brush). ANSI A300 or most current revision of “Trees, Shrubs and Other Woody Plant Management—Standard Practices (Pruning)”

3.8. Clean Up: Clean-up procedures are completed within two hours after debris has been placed around the site of each tree requiring during spraying, pruning or removal.

The work site is left equal to or cleaner than pre-work conditions. It shall be the responsibility of the Contractor to remove and dispose in a proper and acceptable manner all logs, brush, and debris resulting from the tree maintenance operations.

Wood may be left for residents at the residents’ request, but that not taken must be disposed.

3.9. Damages: Done by the Contractor to any person or property, public or private, are the total responsibility of the Contractor and are repaired or compensated for by the Contractor to the satisfaction of both injured party.

4. Work Specifications and Procedures

4.1 All work shall be done in a thorough and professional manner in accordance with the Contract documents, specifications, and acknowledged industry standards. Deviations from the Contract documents, specifications, or industry standards shall not be permitted without the prior written consent of the COR.

In locations where ordinary felling operations might cause damage to property, the trees shall be suitably dismembered and felled using recognized forestry rigging practices as stated in the most current revision of ANSI (encompassing OSHA work-site safety regulation), ensuring that any severed portion of the tree is under control at all times.

Under no circumstances shall the Contractor perform work near high voltage transmission or distribution lines. If the Contractor is performing work within 15 feet of high-voltage transmission or distribution lines, all work shall cease and the Contractor must notify the POC immediately.

The Contractor shall not resume work without written authorization from the COR.

After all limbs have been removed which might contact high voltage utility lines or cause damage to other trees or property, trees shall be felled directly away from power or communications lines, structures, vehicular or pedestrian rights-of-way, or horticultural plantings.

If a tree is outside the 15-foot zone and must be felled toward a power or telephone line, it shall be topped low enough to clear all conductors, poles, guys, and similar installations.

If there is danger that the trees could fall in the wrong during TREE-TRIMMING AND TREE-REMOVAL SERVICES to damage property, guide ropes shall be used. All limbs shall be removed from trees to a height and width sufficient to allow the tree to fall clear of any wires and other objects in the vicinity. The Contractor shall use recognized forestry rigging practices as stated in the most current revision of ANSI (encompassing OSHA work-site safety regulation). Due to the danger of trees falling in an unexpected direction, even though the cut is made on the proper side, the Contractor shall take precaution in roping trees, most especially those which are diseased, rotten or rotting, split, or in appearance to be visibly weak. The Contractor shall use recognized forestry rigging practices as stated in the most current revision of ANSI (encompassing OSHA work-site safety regulation).

Under no circumstances shall pike poles be used in the performance of work under this Contract. Ropes shall be used to lower all limbs of sufficient size to cause damage to other trees or surrounding public or private property.

Before any trees are fallen, workers, other than those operating the felling equipment or giving directions to the workers involved, shall move and remain clear of the danger zone.

Any and all workers who are within the danger zone shall adhere to the safety guidelines as required by the most current revision of ANSI standards, OSHA, and any other governing policy, ordinance, standard, or law. The danger zone is that sector of the felling-area in which the tree(s) could fall. The size of the danger zone shall be determined by the Contractor upon consideration of all pertinent factors relative to the tree removal operation. Ample warning shall always be given prior to the tree falling and all workmen must stand clear in case the tree springs from the stump while falling. Prior to felling any trees, the Contractor shall clear away all brush, debris, or equipment that is not required/needed for felling of the tree.

Under no circumstances shall a partially cut tree or debris be left standing during rest breaks, lunch breaks, or overnight. All debris created must be removed from the jobsite daily. If the Contractor must leave debris overnight, the Contractor shall contact the COR for authorization. Under no circumstances shall the Contractor leave debris overnight without prior approval of the COR.

When removing a tree that is split, or a tree with twin trunks, chains or cables with adequate strength shall be placed tightly around the tree before commencing the back cut. At least one chain or cable shall be placed above, and as close as practical, to the back cut to prevent separation of the trunk. Stumps shall be removed to a minimum depth of six inches (6") below finished grade.

If the stump will not be ground, Contractor shall treat it with an approved growth inhibitor to prevent re-sprouting.

The Contractor shall take special precautions with tree(s) that have item(s) in and around them prior to performing services. Any additional costs will not be allowed as a separate line-item on the invoice and will not be paid. All additional costs shall be part of the Contractor’s bid as stated on the SOW.

5. SITE CLEAN UP

At the end of each workday, the Contractor shall be responsible for cleaning the site and all grounds that it has occupied, of all rubbish, debris, downed tree limbs, and branches. All parts of the work shall be left in a neat, orderly, and presentable condition. The removal of all rubbish and debris generated because of the Contractor’s work under this contract will be the responsibility of the Contractor. No debris will be allowed to remain in or on any roadways at any time.

Once the tree(s) are removed, all wood chips, brush, limbs, and logs, unless otherwise specified in this Contract, shall be disposed by Contractor.

All driveways, walkways, roads, curbs, patios, and other asphalt, concrete, stone, and similar surfaces, shall be “broom-clean” when the site is vacated at the end of each shift and at the end of each day.

Once the work is complete and the work-site is ready for inspection, the Contractor shall notify the COR by phone or in writing. The COR will either make the necessary inspection or request photographic evidence that services were completed to the COR`s satisfaction, and if it is found the work has been properly performed and completed in accordance with all terms of this Contract, the work shall be accepted and the invoice approved.

The COR shall have the right to perform, or have performed, inspections of all places where work is undertaken in connection with this Contract.

6. SAFETY HAZARDS AND CONTROL REQUIREMENTS:

The following hazards have been identified for the work required under this contract:

1. Falling hazards from tree branches. Contractor must all workers are aware of the safe working distance from the tree.

2. Slipping/tripping/fall hazards. Contractor must ensure work area is kept as clean and orderly as possible to minimize these types of hazards.

3. Contractor must ensure that all personnel are qualified and possess the necessary licenses required in their respective trades and are using appropriate personal protective equipment (ear plugs, dust masks, respirators, etc.) to minimize exposure.

4. General construction site hazards. Contractor must ensure that all personnel wear PPE appropriate for a work site (steel-toed boots, eye protection, gloves, hard hats, etc.).

Contractor must identify a point of contact for work site safety that will monitor the work site and can correct any deficiencies in safety procedures.

-The USG reserves the right to stop site work in the event of any safety violations!

7.0 SITE WORK CONDITION, WORK SCHEDULE, DEADLINES & CIRCUMSTANCES:

- The site work needs to be completed in ten(10) calendar days to include Saturday and Sunday, from 8:00 AM to 5:00 PM.

08. Inspection and Acceptance by COR

The POC, designee has a right to inspect and test all work called for by the contract, therefore, the Contractor shall accept the inspections by the POC designee. If any of the work does not conform to the contract requirements, the Government may require the Contractor to perform the services again in conformity with the contract requirements, at no additional cost to the Government.

End Scope of Work

PHOTOS

Banyan tree leaning on the security wall and generator room

Security wall affected by the tree directly leaning againts it. Cracks and gaps are visible at different parts of the wall.

Tree roots had entered tanks and clogged the pumps.