A.02. PWS Grounds Maintenance SSN.pdf

PERFORMANCE WORK STATEMENT (PWS)

Grounds Maintenance Services

WASHINGTON AQUEDUCT

U.S. ARMY CORPS OF ENGINEERS, BALTIMORE DISTRICT

5900 MACARTHUR BOULEVARD, N.W.

WASHINGTON, D.C. 20016-2514

Place of Performance: The work to be performed under this contract will be performed at the Washington Aqueduct and is located in Northwest Washington DC at the Maryland State line and the Potomac River. The Washington Aqueduct and associated outlying property and facilities. Approximately 129 acres are to be maintained and involves work at the following locations:

Type of Contract: The government will award a Fixed Price contract.

SPECIFIC TASKS

Specific Tasks:

Basic Services. The Contractor shall provide grounds maintenance services. This work shall include the planting, mowing and trimming operations, fertilization, mulching, removing debris and litter, leaf removal, weeding, and pruning.

Weekly work Schedule: The Contractor shall develop a weekly schedule that implements the annual work plan and shows all grounds work. The electronic format of the schedule shall be developed by the Contractor and approved by the Government. The contractor shall submit to the COR an advance schedule of work planned to be performed during the next week, broken down by day, location, task, and contract line item number. A sample weekly schedule shall be submitted with the proposal. The contractor shall submit to the COR on Mondays a schedule of actual work completed the past week. This schedule is used by the COR as one means to certify accuracy of monthly invoices. Contractor shall review with the COR what task have been completed. This will be a joint review and any work not completed due to unforeseen circumstances will be deducted from the monthly summary and invoice. This work will be re scheduled to another week or to the end of the season.

Cleanup. Grass clippings, leaves, and debris shall be swept or blown from sidewalks, paved parking areas, and paved roadways within the mowing areas, after the mowing is completed. Dried goose droppings shall be swept or blown from sidewalks and entryways. All cuttings and debris from pruning, trimming, weeding, mulching, and leaf removal, from all locations (including McMillan), shall be collected and disposed of at a site on Government Property.

Mowing General. Grass cutting shall be accomplished in a manner that it is free of scalping, rutting, and unevenness. Grass clippings shall be mulched. Prior to mowing, the Contractor shall police the area to remove all refuse along fences and the walls of facilities. During the mowing season leaves accumulating on sidewalks, exterior stairwells, entryways, roadways, and curbs shall be removed, or blown onto mowing areas and mulched.

Trimming. The Contractor shall trim around trees, shrubs, and cultivated areas, along fences, poles, walls, fire hydrants, valves, and other similar objects. Fences adjacent to public streets or totally inside cut area. Trimming shall be accomplished to match the height and appearance of surrounding vegetation. Trimming shall be done is such a way as to avoid damaging the trunk, bark, or roots of trees or shrubs. After trimming all cuttings and debris shall be collected and disposed of or mulched when mowing. Trimming shall be done on the same day the adjacent grass is cut. The Contractor shall not use herbicides or chemicals to inhibit growth or reduce trimming requirements on any of the Aqueduct sites.

Edging. The Contractor shall perform edging in a manner that is free of scalping, rutting, and uneven cutting. All vegetation shall be removed from joints and cracks in pavement or curbs. With prior Government approval, herbicides may be used to kill and prevent the growth of vegetation in cracks or joints in pavements or curbs. All debris and dirt resulting from edging operations shall be removed from the sidewalk, pavement, or curb surfaces.

Edging shall be performed on the same day the adjacent grass is cut.

Fence Lines and Foundations. All fences within the cutting area, or around the perimeter of the area being maintained, shall be trimmed. All vegetation/vines shall be removed from fences. The Contractor shall trim around buildings, structure walls and foundations and remove vegetation/vines growing on structures.

Maintain Improved Grounds. This designation will be used for areas on which the highest level of maintenance shall be performed. This category applies to areas where lawn landscaping is found. These areas are highly visible to the general public from adjacent streets and walkways. Grass or vegetation shall be cut weekly for twenty-six

(27) consecutive weeks during the period 15 April to 15 October. The final cutting (27) for the improved areas will be the last mowing of the season as scheduled by the COR after 15 October. A Total of twenty-seven (27) cuttings shall be done per calendar year. The period between completing cuttings shall not be less than six (6) consecutive days no more than ten (10) consecutive days.

Maintain Semi-Improved Grounds. Grass or vegetation shall be cut bi-weekly for fourteen (14) Consecutive weeks during the period 15 April to 15 October (14 cuttings). The final cutting (14th) for the semi-improved areas will be the last mowing of the season as scheduled by the COR after 15 October. The period between completing cuttings shall not be less than twelve (12) consecutive days nor more than sixteen (16) consecutive days.

Maintain Unimproved Grounds. Grass or vegetation shall be cut and trimmed monthly during the period April through September (seven (7) cuttings). The final cutting for the unimproved areas will be the last mowing of the season as scheduled by the COR after 15 October. The period between completing cuttings shall not be less than twenty-eight (28) consecutive days no more than thirty-five (35) consecutive days.

Ornamental Trees, Hedges, Shrubs, Bushes, and Flower Maintenance. The Contractor shall trim these landscape plants, located on improved grounds, four (4) times, every two (2) months, during the growing season. Hedges shall be trimmed evenly and be level throughout the length of the hedge. Sides shall be trimmed vertical to the ground. Shrubs, bushes, ornamental trees, and flowers shall be pruned according to their natural growth habit for health, attractive appearance, and to prevent interference with pedestrian and vehicle traffic over entrances and walks, and obstruction of vision from vehicles at traffic intersections. Flowers and blooming bushes shall be trimmed back after flowering season. Ornamental trees and bushes that are maintained shall be kept to a manageable height. Decorative trees in mulched areas (Cherry, Birch, Crepe Myrtle, Dogwood, etc.) shall have succor shoots removed during this service. Crepe Myrtle topping, general tree limping, fence line tree trimming, etc., is not included with this service, but may be ordered by the Government under a separate line item. Pruning and trimming technique will be in accordance with District of Columbia Cooperative Extension Service Master Gardener recommendations. There are approximatly129 shrubs and bushes to be trimmed averaging 24”-40” inches in height a few bushes over 10’ in height. Types Found bushes and plants to be trimmed: Red Maple, Rose of Sharon, Boston ivy, Japanese Barberry, Common Barberry, River Birch, Tree box wood, Redbud, Yellow wood, Blood twig Dogwood, Slender Deutzia, Snowflake deutzia, Big leaf winter creeper, Fortune forsythia, Weeping forsythia, rosemary willow Snowberry, coral berry, Wichurian rose, smooth sumac, tupelo, fragrant sumac, ink beery, Queen Crepe myrtle, regel tree, wild sweet crab, morrow honeysuckle this list in not all inclusive.

Mulching and Fertilizing. Shredded “hardwood” mulch shall be applied to all mulch beds. Do not use low grade mulch possibly containing high weed content and foreign matter. During the spring and again in the fall, the existing mulch shall be raked, loosened and additional mulch added. Do not let mulch height accumulate to the point where it may damage the plant or tree trunk. Mulch around small shrubs or trees shall form a saucer to hold water. Cut a neat edge around perimeter of beds. When re-mulching beds twice yearly a fertilizer shall be applied. The brand and type of fertilizer must be pre-approved by the COR. Application rate shall be as specified by the manufacturer the approximate combined volume of mulch need is 190 cubic yards . There is approx. 15,420 square feet of total area to mulch.

Weeding. The Contractor shall weed all mulched areas on a bi-weekly basis during the growing season thirteen

(13) times. The period between completing weeding shall not be less than twelve (12) consecutive days nor more than eighteen (18) consecutive days. Flower and small shrub maintenance (trimming dead flowers and limbs, succor shoots, and shaping) shall be considered as part of the weeding process. All removed debris shall be cleaned up and disposed of. There is approx. 15,420 square feet of total area to weed.

Remove Vegetation From Rip-Rap (8000 LF). The Rip-Rap is a rocky, or concrete, steep area around the water in the reservoirs, and adjacent creeks, designed to inhibit plant growth and erosion. Width varies by area and water level, averaging twelve (12) feet from water edge to mowable grass area. The Contractor shall cut all vegetation from all the Rip-Rap at the Dalecarlia, Georgetown, and McMillan Reservoirs. Areas included and square yardages are identified in the attached color coded Location Maps. The period between completing vegetation removal shall not be less than twenty-eight (28) consecutive days nor more than thirty-five (35) consecutive days. Attempt shall be made to keep the cut debris out of the water. The use of herbicides or chemical growth inhibitors is prohibited because of potential water pollution. It is estimated that approximately thirty (30) percent of the Rip-Rap area will contain vegetation requiring removal/cutting.

Remove Leaves. The Contractor shall remove fallen leaves from grounds, sidewalks, roadways, parking areas, mulch beds, and fence lines, identified by the COR, three (3) times during the fall and winter season. Acreage for leaf pickup is estimated to include locations where leaves accumulate. This work shall include leaves, pine needles, pine cones, fir needles, and other fallen vegetation, debris, and trash. Removed leaves shall be disposed of at a site on Government property designated by the COR. The COR and the Contractor will coordinate the leaf clean-up schedule based upon climatic conditions.

Police Grounds. In addition to policing all maintained grounds when the regular mowing and leaf pickup is being performed the following applies. Because the McMillan Facility tends to accumulate more trash than other areas, the policing is a separate line item requiring twice weekly pickup of all areas year round (104 times yearly). Twice weekly shall be performed on Monday and Thursday, or Tuesday and Fridays. All areas of the Dalecarlia Plant Facility, gate entrances, and adjacent areas of MacArthur Blvd, the three high service reservoirs, the improved area of Georgetown Reservoir, Residuals plant and Warehouse 6 are policed (with separate line items) once weekly.

Debris includes paper, plastic, bottles, cans, cardboard, lumber, rags, appliances, furniture, other foreign materials, pine cones, and fallen branches. The Contractor shall use caution in picking up debris as it may include hazardous items. The collected debris shall be disposed of in a Government provided receptacle.

General Cleanup Work. Cleaned up three times during the growing season. This work usually involves minimally maintained areas, around remote bridges, fences, and structures, often on steep slopes. Contractor shall police the areas and remove trash. Great falls Park access road, also known as the (Chesapeake and Ohio Canal Towpath), is located on MacArthur Blvd NW, D.C. The dirt road is used by the Aqueducts mobile Crane to perform maintenance at the Great Falls Inlet. In the event of blockage do to fallen trees or underbrush on the road the Contractor may be called to remove any fallen trees or underbrush that may be preventing passage of the Crane.