Statement of Work-DEN TRACON-Landscape-Grounds.pdf

STATEMENT OF WORK

LANDSCAPE AND GROUNDS MAINTENANCE SERVICES

DENVER TRACON DESCRIPTION/SPECIFICATIONS

1.0 GENERAL: The contractor shall furnish all necessary personnel, labor, equipment, supplies, and supervision to perform the follow services: landscape maintenance and grounds and parking lot maintenance. These services are to be provided at the Terminal Radar Approach Control (TRACON) and the TRACON is located within a fenced and secured area. Please see map for details.

2.0 FACILITY AREA PLOT DETAILS:

The TRACON site consists of approximately 17.30 acres. The data pertaining to the area to be maintained is as listed below:

Parking and Driveways (Asphalt) 3.55 Sidewalks, Pads, Ramps (Concrete) .45 Sidewalks, Plaza (Sandstone Pavers) .24 Irrigated Landscape 1.98 Native Seed (Inside Fence) 9.39 Native Seed and Vegetation Control 1.60 Volleyball Court (Sand) .09 Total 17.30

3.0 HOURS OF OPERATION:

3.1 NORMAL HOURS: The facilities will typically be in operation 24/7. The contractor shall perform work during normal hours as approved by the CO. The contractor will generally perform job functions, during normal duty hours between 6:00 a.m. and 6:00 p.m. The contractor may work, with prior approval of the CO or COR at no additional cost to the government, during the hours outside normal duty hours.

3.2 AFTER HOURS shall be designated as the hours between 6:00 p.m. and 6:00 a.m.

Monday through Friday.

3.3 EMERGENCY HOURS shall be designated as the hours between 6:00 p.m. Friday evening and 6:00 a.m. Monday morning. Emergency hours shall also include the holidays as noted below in paragraph 3.4.

3.4 RECOGNIZED HOLIDAYS: Recognized holidays include; New Year’s Day, Martin Luther King Day, Presidents Day, Memorial Day, Independence Day, Labor Day, Columbus Day, Veterans Day, Thanksgiving Day, and Christmas Day. If the holiday falls on Saturday, it is observed on Friday. If the holiday falls on Sunday, it is observed on Monday. Service is required on these days.

4.0 CONTRACTOR PERSONNEL SECURITY REQUIREMENTS: Within twenty-four (24) hours after contract award, the contractor shall submit to the Contracting Officer (CO), a list of names of his/her employees who will be working at the facilities and the required completed security clearance forms.

4.1 FAA REQUIREMENTS: The contractor and each of their employees engaged in work under this contract shall execute and submit to the Contracting Officer’s Representative (COR) the following forms; FD-258 (Fingerprint Chart), SP-85P (Questionnaire for Public Trust

Positions), I-9 (Employment Eligibility Verification), and DOT F-1681 (Identification Card / Credential Application). The COR will provide these forms. Employees without properly executed forms will not be allowed access to the job sites. The Contactor shall furnish a list of employees by job assignment designate to work this contract to the COR. The list shall remain current and the COR must be notified of any changes of personnel immediately. Contractor personnel are not authorized access to any area where classified information is used, stored, or processed without a security guard escort. Newly initiated e-QIP security procedures (Electronic Questionnaire for Investigation Processing) may apply.

4.2 SECURITY ESCORTS: The FAA requires that sub-contractors working under the existing contractor will be under full escort when performing services at the TRACON.

5.0 LANDSCAPE:

5.1 MOWING: All blue grass areas shall be mowed in early spring to a height of 1”.

Throughout the growing season, mow the lawn only as required to maintain a grass height of 3”.

Clippings will be captured and removed. The contractor shall mow landscaped buffalo grass areas in early spring to a height of 4”. Throughout the growing season, mow only as required to maintain a height of 5”. Clippings shall be picked up in the mowing operation. The mowing operation shall be completed within a 48-hour period, weather permitting. The native seed areas shall be mowed twice, once in the spring and once in the fall to maintain a minimum height of 9 – 10 inches or more frequently as requested by the COR. The sidewalks, plazas, curb lines, roadways, turf areas, shrub areas, garden areas, and parking areas shall be swept, blown, or kept clean of grass clippings, loose trash, debris, and weeds.

5.2 EDGING: All planter and turf areas bounded by sidewalk or curbs shall be edged quarterly with a steel bladed edger to maintain a neat appearance. Edging of planter areas shall be accomplished in such a manner that the original size and shape of the areas are retained and provide a sharp indentation between areas approximately 1 ½ inches wide and 1 ½ inches deep.

5.3 AERATING: The contractor shall aerate all turf areas once in the spring and once in the Fall. The contractor shall coordinate the schedule for aeration with the COR and provide care that the aerating does not destroy elements of irrigation systems. Any damage caused by aeration shall be solely the responsibility of the contractor to repair. Aeration of Buffalo grass is NOT recommended; consult with the COR.

5.4 TRIMMING: At time of mowing, all turf, shrub, rock, plant beds, and garden areas will be trimmed by mechanical means in those areas inaccessible to mowers so as to present a well-groomed appearance.

5.5 SPRING CLEAN UP: In the spring, the contractor shall be responsible for one gathering and removal of leaves and debris from all landscape areas, fence line, beds and turf areas. A crisp edge will be established along all cement walks and curbs adjacent to turf areas.

5.6 FALL CLEAN UP: In the fall, the contractor shall be responsible for one gathering and removal of leaves and debris from all landscape areas, fence lines, beds, and turf areas after all leaves have fallen. A crisp edge will be established along all cement walks and curbs adjacent to turf areas.

5.7 WATERING: The contractor shall assure that all turf areas, plants, trees, and shrubs are watered as required to provide adequate moisture for healthy growth of lawn and plants according to seasonal requirements. All watering shall be done in a manner that will provide uniform coverage but will not cause erosion or damage to the finished surface. Sufficient water shall be applied to penetrate the planting bed to a depth of four (4) inches. The contractor shall assure that watering is controlled to avoid unnecessary waste as evidenced by water standing or running across pavement or street areas. Timing and frequency of watering shall be adjusted to provide adequate moisture and accommodate soil filtration and shall occur during early morning and/or late evening hours only to reduce loss of water through daytime evaporation. Hand watering shall be required for certain areas such as non-irrigated planters, trees, and shrubs.

6.0 PRUNING: The contractor shall provide a seasonal pruning plan within 60 (sixty) calendar days upon award of the contract to the COR for review, input and acceptance. The plan shall address deciduous and evergreen shrubs and trees pruning methods and frequencies for all seasons. The initial pruning and shaping will be completed in late Spring. The second pruning will be performed in early Fall. Pruning of nuisance growth from shrubs and trees over hanging sidewalks, drives, and line of sight on roadway corners will be pruned as needed to maintain access. Disposal of trimmings shall be included. Tree suckers will be removed continually to maintain a neat appearance. Cuts ½ inch in diameter and larger shall be painted with tree wound dressing. Pruning shall be accomplished with proper tools, equipment, and sterile methods. It is preferred that the contractor has the resource of a certified Arborist and/or certified Horticulturist to overview all pruning and trimming.

7.0 MULCHING and FALL PREPARATION: The contractor shall inspect and replace mulch semiannually in mulched areas with like material. Mulching shall be a minimum of 2” above weed barrier fabric. The contractor shall be responsible for fall cleanup to prepare all landscaping for inclement weather. This preparation shall include but not be limited to mulching, bark wrapping, tying, trimming, or otherwise protecting plants, trees, and shrubs against frost, snow, ice, and wind.

8.0 PLANT REPLACEMENT: The contractor shall furnish and replace any plant, tree, or shrub that dies because of contractor neglect or improper care. It is preferred that the contractor has the resource of a certified horticulturist.

9.0 FERTILIZATION: The contractor shall apply two applications of granular fertilizer to the irrigated turf areas, planting beds, juniper areas, and deciduous shrubbery areas. These shall occur in late spring and mid-summer. This will be a slow release formulated fertilizer (20-40-10) applied as per manufactures recommendations or a fertilizer blend recommended for the TRACON geographical location, consult with the COR for prior approval of which method will be used. Juniper areas, deciduous shrubbery areas, and planting beds shall receive a fertilizer blend specific for the growth within the specific area. We shall receive and approve SDS via the COR; this is required seventy-two (72) hours prior to commencement. The contractor shall notify the COR when treatment is to be accomplished.

Testing of the soil is required annually to determine which nutrients are deficient. This information will be used to provide fertilizer adjustments that will provide a healthy and disease resistance landscape.

Sweep walkway and any concreted areas adjacent to where fertilizer is applied in order to remove excess granules. The Contractor shall comply with all Colorado State and Environmental Protection Agency (EPA) licensing requirements.

10.0 WEED CONTROL: All turf areas, planting beds, and landscape areas will accomplish weekly weed control or as directed by the COR. Natural Grass areas will accomplish quarterly weed control or as directed by the COR. The area within two (2) feet of the TRACON perimeter fence shall be cultivated and weeded regularly and/or treated for with an herbicide weed control means yearly by use of recognized commercial product. A pre-emergent herbicide shall be applied after the first spring turf mowing. The contractor shall obtain COR approval of any products used seventh-two (72) hours prior to commencement. SDS submission is required prior to commencement. If damage occurs as a result of the contractor’s failure or neglect to adequately protect the areas by timely preventive measures, the contractor shall be responsible at the contractor’s expense for such additional treatment that may be necessary to cure the problem and/or replace any plants, shrubs, or trees that are lost. The Contractor shall comply with all Colorado State and Environmental Protection Agency (EPA) licensing requirements.

11.0 IRRIGATION SYSTEM:

11.1 OPERATION AND MAINTENANCE: The contractor shall be responsible for the operation, maintenance, and repair of all parts of the installed sprinkler system to include replacement of damaged parts, worn parts and materials. The contractor shall furnish all replacement parts and materials required to maintain operation of the sprinkler system. All replacement parts shall be equivalent or better in quality. Check all valve boxes and sprinkler head caps for mower damage. Record the water consumption at the master valve hydrometer weekly. Operate each zone electrically, adjust spray radius and degree of arc for all pop-up spray and gear driven sprinklers, reset and plumb pop-up spray heads and gear drive sprinklers as required, physically inspect each tree bubbler for clean operation, reset and plumb as required, walk and selectively confirm drip emitter operation at start, center, and end of each drip emitter zone. Adjust irrigation controllers to match seasonal evaporation transpiration rates. Submit a report to the COR at the conclusion of each monthly inspection confirming inspection procedure with a detailed notation of any warranty repairs, persistent adjustment problems or other damage.

11.2 WINTERIZATION: The contractor shall winterize the system by draining the system and blowing out the piping with compressed air. Winterization shall be accomplished before frost penetrates the ground, generally in October or November.

11.3 SPRING ACTIVATION: The contractor shall activate the sprinkler system each spring, generally in early May. The contractor shall follow the instructions in the operations and maintenance manual to check the system for proper function and operation. The manual shall be provided to the contractor by the COR. Throughout the growing season; the contractor shall inspect the system weekly and make adjustments and repairs as needed.

11.4 WINTER TIME: Deep root water shrubs and trees once a month when the temperature is above 40 degrees and when there is no snow cover. Water at a depth of 6” to 8” along the drip line with 10 gallons of water for every one inch of trunk diameter. Property shall be inspected periodically to access special requirements of the landscape.

12.0 GROUNDS CARE, PARKING LOT, ROADWAYS, SANDSTONE WALKWAYS AND

FENCE LINE: The contractor shall ensure that sidewalks, plaza areas, loading docks, parking areas, roadways, and ramps are free of debris. Sweep parking lots, roadways, driveways, and loading docks semiannually as per direction of the COR. The fence line shall be free of burrows and under fence line penetrations so as to prevent and limit access of burrowing rodents, mammals, etc. Provide an inspection report for the parking lots and roadways semiannually, Spring and Fall. This report shall state the existing conditions and recommend repairs. Sandstone walkways at the TRACON shall have sufficient seam filler to prevent sandstone from rocking and / or dislodging.

13.0 TRACON WATER DETENTION POND: The contractor shall annually dredge the silt two (2) inches below the inlet for an area no larger than of 1/3 of the total base. This silt will be displaced evenly on the detention pond bank as directed by the COR. The fenced area outlet shall be cleaned of debris after every torrential rain storm or as need to facilitate unrestricted flow.

14.0 HAZARDOUS MATERIAL SAFETY: The Contractor shall submit a schedule of contractor furnished hazardous and/or toxic materials not later than fifteen (15) days after contract award. The schedule shall include name, chemical content, and purpose of all supplies to the used. The contractor shall also submit Hazardous Material Identification in the form of Safety Data Sheets (SDS) that will meet the requirement of 29 CFR 1910.1200(g) and the latest version of Federal Standard No. 313. The submittal will also include a Material Safety Data Log, which shall be maintained when on-site and available for review upon request of the COR.

If the Contractor spills or releases any substance into the environment, the Contactor or its agent shall immediately report the incident to the COR or delegated representative. The liability for the spill or release of such substances rests solely with the Contractor and its agent.

15.0 REDUCTION IN PAYMENT:

16.1 Upon receipt of written notification by the CO regarding nonconformance of contractual services, the contractor will be given twenty-four (24) hours to provide the required corrective action. At the end of this period, the Government may have such work done by others, with cost

(s) chargeable to the contractor and deducted from his/her monthly payment.

16.2 Repeated failures to perform work as required by the specifications and contract documents may result in termination of the contract.

16.0 NEGLECT: The contractor shall be liable for any damage caused by incompetence or neglect.

TECHNICAL EXHIBIT #1

DEN TRACON

WORK ESTIMATES AND FREQUENCY CHARTS

DESCRIPTION: The contractor will be liable for any damage caused by incompetence or neglect. The contractor is responsible to provide all parts and materials for seasonal services.

WEEKLY

W1. BLUE GRASS and BUFFALLO GRASS will be mowed and edged as needed. Ensure lawn sprinklers are functioning properly and in good repair during scheduled irrigation controller operations. Check all valve boxes, sprinkler head caps for damage, and replace as needed with similar or better. Consult with COR regarding replacement.

W2. Ensure outside area is free of trash and debris.

W3. Track water usage and report to COR.

W4. Hand water as needed.

W5. Weed control for turf areas, beds, planters, and landscape areas.

MONTHLY

M1. Inspect the TRACON fence to ensure it is free of burrows and under fence line penetrations so as to prevent and limit access of burrowing rodents, mammals, etc.

MONTHLY WINTER

M1. Deep water shrubs / trees during winter months as per description/specifications.

QUARTERLY

Q1. Weed Control for Native Grass areas as per description/specifications or more frequently as per direction of COR.

SEMIANNUALLY

S1. Lawn Sprinkler System

a. May – Start system – check for coverage, and repair leaks as needed.

b. October – shut down system – Blow out system completely, leave open, and off for the winter.

S2. Fertilize turf areas as per description/specifications or more frequently as per direction of COR.

S3. Aerate as per description/specifications.

S4. Prune as per description/specifications.

S5. Parking Lot inspection report and sweeping.

S6. Mow the NATIVE SEEDED areas.

S7. Inspect and replace MULCHING as need.

S8. Mow the native grass area to a height of 9”-10” in early Spring and late Fall.

S9. Fill seams in Sandstone walkways.

ANNUALLY

A1. Apply herbicide to area within 2 feet of perimeter fence.

A2. In early spring, mow the landscaped areas to 4”. Throughout the growing season, maintain a minimum height of 5”.

A3. Dredge silt from the detention pond as per description/specifications.

A4. Spring Clean Up.

A5. Fall Clean Up.

A6. A pre-emergent herbicide shall be applied to the turf after the first spring mowing.