Attachment 1 - PWS Supplement_RAF Mildenhall - Draft.pdf

GROUNDS MAINTENANCE SERVICES

FOR

RAF MILDENHALL

TASK ORDER PERFORMANCE WORK STATEMENT (PWS) SUPPLEMENT

DATE 10 AUG 2023

Prepared by

100TH CIVIL ENGINEER SQUADRON

Contents

1 DESCRIPTION OF SERVICES

1.1 Maintain improved grounds

1.1.4 Weed Control

1.1.6.2 Irrigation

1.2.1 Mow

1.2.6 Munitions Storage Areas RAF Mildenhall *Addition*

1.3 Maintain Bird Area Strike Hazard (BASH)

1.3.1 Mow

1.3.8 Herbicides and Insecticides RAF Mildenhall *Addition*

1.6 Maintain surface drainage ditches

1.7 Perform snow/ice removal (paths only)

1.8 Special requirements

3.1 Facilities

1 DESCRIPTION OF SERVICES

This Task Order Performance Work Statement Supplement for Royal Air Force Mildenhall is for additional work requirements and to be completed in conjunction the IDIQ Performance Work

Statement titled “GROUNDS MAINTENANCE FOR U.S. VISITING FORCES (USVF) IN

THE UNITED KINGDOM PERFORMANCE WORK STATEMENT (PWS)”. This document outlines further guidance in the performance specific to the sites covered by this Task Order.

Requirements and guidance in this document concern only the work performed under this Task

Order. This Task Order PWS will cover only the sections that required further information beyond the IDIQ PWS; therefore, all requirements from the IDIQ PWS flow to this task order only modified as stated within.

1.1 MAINTAIN IMPROVED GROUNDS

1.1.4 WEED CONTROL

1.1.4.12 RAF MILDENHALL WEED CONTROL * ADDITION *

Herbicide treatment within this area should be limited, applied at the minimum appropriate dosage and only when required rather than as a preventative measure. RAF Mildenhall lies over a principle aquifer. It is in close proximity to the soil surface and herbicides can easily filter into

it. It is therefore considered to be very vulnerable. See multiple Source Protection Zone map for areas where residual herbicides are restricted.

1.1.6.2 IRRIGATION

1.1.6.2 MAINTENANCE OF IRRIGATION SYSTEMS RAF MILDENHALL *ADDITION*

The contractor shall maintain irrigation systems from the standpipe at each location.

Maintenance includes but is not limited to draining and charging systems, replacing damaged or broken control devices and sprinkler heads, and repair of ruptured pipes. Maintain equipment and systems to be efficient and in good operational working order to include the Controller and clocks/timers. Replacement of pumps or backflow prevention devices is not included in routine maintenance of irrigation systems. The irrigation system to be maintained and related workload data is identified in Appendix A and B.

1.1.6.3 WINTERIZATION OF IRRIGATION SYSTEMS RAF MILDENHALL *ADDITION*

At the end of the growing season of each year, all the irrigation systems shall be winterized by closing off the primary irrigation control valve and utilizing compressed air to remove all water from the irrigation system. Winterization shall be coordinated with COR to ensure backflow preventers are also winterized or removed. The Contractor shall tag the irrigation system shut off valve with the following information: “system winterized,” the date, and performed by. Repairs to irrigation equipment must be accomplished prior to winterization.

1.1.9.2 AERATION RAF MILDENHALL* ADDITION*

The contractor shall not aerate any munition storage embankment areas at RAF Mildenhall.

1.1.12 LEYLANDII RAF MILDENHALL* ADDITION*

The contractor shall maintain the leylandii 911 twin towers memorial at RAF Mildenhall twice per year. once in the first week of March and once in the first week of September.

1.2.1 MOW

1.2.1.3 RAF MILDENHALL*ADDITION*

NATO pond to be cut to the same standard as identified in paragraph 1.2.1 of the IDIQ

Performance Work Statement.

1.2.6 MUNITIONS STORAGE AREAS RAF MILDENHALL *ADDITION*

The Contractor shall ascertain levels without penetration of the soil but will use laser level equipment or non-penetrative method. Penetration method are prohibited due to water proofing membranes fitted on refurbishment. The Contractor shall ensure all earthing points at each earth covered facility are free and clear of all grass and debris, allowing two inches of clearance between each point and any surrounding vegetation.

1.3 MAINTAIN BIRD AREA STRIKE HAZARD (BASH)

1.3.1 MOW

1.3.1.8 RAF MILDENHALL *ADDITION* A 2m margin shall also be cut around all buildings that are located in the Bird strike area as improved grass specification.

1.3.1.9 RAF MILDENHALL*ADDITION* POL. The contractor shall maintain a 2 to 4 inch

(50mm to 100 mm ) grass height around all specified areas/ obstacles.

1.3.8 HERBICIDES AND INSECTICIDES RAF MILDENHALL *ADDITION*

The Contractor shall minimize seeds and flowers that attract insects/birds. The CO/COR to review and approval the timing and frequency of herbicide/insecticide products. The Contractor shall use only approved products as stated in DoD Instruction 4150.07, DoD Pest Management

Program, Encl 4 para 4.2.2 and AFMAN 32-1053, Pest Management Program, para 3.15.4 and

3.15.7 All pesticides, herbicides, and rodenticides are defined in DoD and Air Force documents.

The Contractor shall comply with current federal, state, local, DoD, and Air Force regulations, plans, and policies. The contractor shall comply with all applicable parts of 29 Code of Federal

Regulations (CFR) 1910, Labor, Occupational Safety and Health Standards, 29 CFR 1925, Labor, Safety and Health Standards for Federal Service Contracts, 40 CFR 150-189, Protection of Environment, Pesticide Program, and 49 CFR 171, Transportation, General Information, Regulations, and Definitions. The Contractor shall ensure that all workers have current state certification for the pest control services being performed. Civil Engineer Asset Management

Flight must approve all herbicides/insecticides prior to use

1.6 MAINTAIN SURFACE DRAINAGE DITCHES

1.6.4 RAF MILDENHALL * ADDITION *

RAF Mildenhall West Row drainage carries storm water from a section of the south side of the airfield is channeled into what is referred to as the NATO drain and thereon into what is referred to as the West Row drainage ditch. This ditch is connected to the River Lark several hundred meters away. It will be the contractor's responsibility to ensure that all grills over culverts along the entire length of the ditch are kept free at all times to ensure the free flow of water at all times.

1.7 PERFORM SNOW/ICE REMOVAL (PATHS ONLY)

1.7.1.6 RAF MILDENHALL * ADDITION * The Contractor shall ensure a minimum pathway of 3 feet (1 m) wide is made ice free, and or free of snow accumulation, piles, or drifts by removing all snow and ice from sidewalks, steps, landings, and entrance ramps.

1.8 SPECIAL REQUIREMENTS

1.8.7 SPECIAL FLORA AREAS

1.8.7.2 RAF MILDENHALL * ADDITION * The Special Flora Area at RAF Mildenhall contains species on the Red Data List, the area is classed as a County Wildlife Site (CWS) The species currently growing here are Silene Otites (Spanish Catchfly) and Silene Conica (Sand Catchfly).

The CWS includes both sides of the running track and the area beyond the fence encasing the long stay car park. Approximately half of the CWS is managed by Anglia Water, a fence line denotes their area (off site) where a major water abstraction well is present. The presence of the water well in addition to the rare flora means that no herbicides, pesticides, or fertilizers will be used in this vicinity (including fence line) without the express permission of the COR. The CWS shall be cut once per year in October, with a rotary type of mower to a height of 2 inches

(50mm). This will give the Flora sufficient time to flower and seed. All arisings are to be raked and disposed of on the same day as cutting.

3.1 FACILITIES

3.1.1.1 * RAF MILDENHALL * ADDITION *

The COR will make available to the Contractor a compound area within a general Contractor’s compound area near to Bldg. 604, however, there is no guarantee this will remain and is subject to change Water and electricity are available. The electricity is metered and the contractor will be expected to pay all costs associated with the supply. Water is currently unmetered. No toilets or wash areas will be made available by the COR. As required by Health and Safety legislation the

Contractor will be required to make available and regularly service any such facilities. This should be in accordance with Statutory Instruction 1996 No 1592 The Construction (Health, Safety and Welfare) Regulations 1996.

There is a toilet facility for all contractors use within the compound facility. This facility will be maintained by all the users.