PWS Supplement 2 408 - PAVEMENT CLEARANCE - Draft.docx

Attachment 02

Pavement Clearance

15 March 2021

Table of Contents

2.1.1.2 Snow Removal - Bureau of Land Management (BLM)…………………..……....…2

2.1.1.3 Gray Eagle Operations……………………………………………….…………………2

2.1.1.4 Snow Removal and Ice Control - Roads……………………………………………...2

2.1.1.5 Snow Dump Operations………………………………………………………………..4

2.1.1.6 Snow Removal - Yukon Training Area (YTA)………………………………………..4

2.1.1.7 Snow Removal - Donnelly Training Area (DTA)…………………………………….5

2.1.1.8 Snow Removal and Ice Control - Non-Org Parking…………………………..…….5

2.1.1.9 Snow Removal and Ice Control - Org Parking…………………………………..…..6

2.1.1.10 Sidewalks/Bike Paths/Running Paths………………………………………………6

2.1.1.11 Dumpsters……………………………………………………………………………..6

2.2 Removal Priorities 6

ii

1.0 General Information.

1.1 Overview. The Contractor shall provide snow clearing services, to include street sweeping, snow, ice and gravel removal services, on paved and unpaved driving/parking areas, side streets and sidewalks as annotated on Technical Exhibits (TEs) 50 and 51. Services shall commence when snow height exceeds 2 inches. Follow-up service shall continue as weather conditions dictate. Storm classification will be determined by the COR/ACOR.

2.0 Description of Services.

2.1 Scope. Clearance includes, but is not limited to, the following: plowing and sweeping of gravel or snow from roads, access control points (ACP), airfield pavements, taxiways, aprons, driveways and parking areas by pushing and piling and hauling the snow into one of the identified snow dumps. Historical data on routine snow clearing and street sweeping is provided by the Directorate of Public Works (DPW) in TE 56. The Contractor shall begin clearing from areas identified in TE 50 and 51 when accumulations have reached 2 inches or within 24 hours of notification by the COR/ACOR. Snow piles shall not be left in the plowed areas, but hauled to one of the identified snow dumps.

2.1.1 Specialized Locations.

Maps of all areas below are located in TE 2 Donnelly Training Area, (DTA) Yukon Training Area, (YTA) Fort Wainwright Area (FWA) LADD Army Airfield

2.1.1.1 Removal Support – Air Field

Fort Wainwright Ladd Army Air Field snow removal services are governed by 14 CFR 139 and all subparts. Snow Removal operations for post roadways and the airfield shall occur simultaneously. Neither shall have priority over the other. Specific locations are located in TE 62. Typical season is October – April. Snow falls have been recorded in September and May.

Airfield Snow removal shall begin when a snow event/drifting snow accumulates 2 inches in depth on surfaces and must be completed within 24 hours of the end of the event. Designated emergency service lanes along the South Taxiway from Fire Station 1 to Hangar 6 snow removal shall begin when snow event/drifting snow accumulates 1 inch in depth on surfaces and must be completed within 8 hours of the end of the event. The Contractor shall insure that 24 hour access to the active airfield areas will be available to emergency crash equipment and personnel. Runway, taxiway, fuel delivery accesses, aircraft ramps, parking areas, radar dome and weather station located in the center of the airfield shall be free of snow accumulations. Snow accumulations on the outside of runways and taxiways shall be maintained below four feet in height to the edge of the paved surface. Runway acceleration and deceleration zones shall be free and clear of snow. The airfield POL points shall be readily accessible by aircraft crew and emergency personnel. Airfield snow removal must be completed within 24 hours after the completion of the snow event.

Specific Tasks

Under snow removal conditions the following tasks and standards will be required:

1. All equipment and personnel engaged in airfield operations will have voice radio communications with airfield operations (AFO) or the air traffic control tower (ATC) at all times while inside aircraft movement areas.

a. Equipment operators will request permission from AFO or ATC to enter, exit, or cross active aircraft areas.

b. AFO or ATC will alert equipment operators of inbound or outbound aircraft, and provide safety instructions to be followed.

2. All snow removal equipment will be equipped with operational strobe or rotating beacon hazard warning lights. Lights will be in operation at all times while in aircraft movement areas.

2.1.1.2 Snow Removal Support – Bureau of Land Management (BLM) The Contractor shall provide snow removal support, one (1) time annually, typically March of each winter season, exact date of removal will be provided by the COR when requested by BLM. Snow will be removed from BLM apron area that is adjacent to the north taxiway and south of the BLM complex, total area to be clear is 16 acres. Snow will be stationed at the center of the airfield not to exceed 4 feet in height. Snow will not be removed or hauled to a snow dump area.

2.1.1.3. Grey Eagle Operations: The contractor will provide a Runway Condition Reading (RCR) of 19 for a 5,000’ length and 100’ width on the east end of the runway for Gray Eagle operations. Provide RCR 15 for a 30’ width of the remaining runway, west taxiway (Echo and ramp maintained for taxiing. Contractor will provide a 24-hour weather watch to observe the airfield and decide on the snow and ice removal strategies as events occur. Personnel will operate equipment as needed 24/7 during snow and ice events to prevent compacted snow and ice accumulating on the surfaces. Contractor should expect Grey Eagle operations to begin for the FY23 snow season. If funds and equipment have not been provided and acquired from the Government, contractor will maintain airfield as described above in para 2.1.1.1 until Grey Eagle operations begin. Grey Eagle Technical Exhibit map is TE 63.

2.1.1.4 Snow Removal and Ice Control - Roads

The Contractor shall provide continuous snow removal and ice control operations to include nights, weekends, and holidays as directed by the government, on all areas identified in TE 51. Typical season is October – April. Snowfalls have been recorded in September and May.

Road Snow Event Snow Removal Guidelines:

· Primary Roads: Snow removal shall begin when a snow event/drifting snow accumulates 2 inches in depth on surfaces and must be completed within 24 hours of the end of the event. All driveways will be gated, (no berm left in place).

· Secondary Roads: Snow removal for secondary roads will begin when snow accumulates to 4 inches and must be completed within 48 hours of the completion of the snow event/drifting event. All driveways will be gated, (no berm left in place).

· Mission Essential Buildings/Areas snow removal begins when snow accumulation reaches two (2) inches in depth on surfaces and must be completed within 8 hours of the end of the event. This consists of a driving lane through the parking lot from end to end. Specific locations are located in TE 1 for reference.

1. During working hours as directed by the KO snow removal may be required prior to two (2) inches of accumulation when continued snow fall is expected.

2. All snow removal priorities requiring pickup and hauling of snow from roads shall be completed for a snow event within ten (10) days after the end of the event. This includes clearing road shoulders where possible along Gaffney Road and Montgomery Road. All berms and piles shall be picked up and hauled away to include clearing of snow from government owned fire hydrants and pedestrian cross walk signals.

3. Between triggered events, Snow hard-pack accumulation shall not be more than one half inch above the running surface of the road pavement, sidewalk, or unpaved surface. Snow shall be removed across the full width and length of surface areas requiring snow removal, to include the crowns created in the center of the road surface.

4. Height of snow berms at roadside and intersections shall not exceed thirty-six inches. This height standard applies to a minimum distance of fifty feet back from intersections and parking area entrances/exits.

Special Areas and Considerations

1. Berms of snow or ice shall not be allowed to block road, railroad crossings or intersections.

2. Snow pack shall be removed around of all obstructions or permanent structures within a snow removal area, such as telephone poles, head bolt heaters, culverts, utility pedestals and parked vehicles.

3. Continuous traffic flow shall be maintained in both directions during snow pack removal operations in primary and secondary areas.

Monterey Lake Memorial Park Park area is considered secondary priority and is to be cleared of snow from access point south of parking area on Rhineland Avenue to access point north of parking area on Ile De France Ave. Snow shall be blown off center memorial, smaller memorial markers and benches as needed. The Contractor shall remove trash and debris as necessary. The Contractor shall provide place markers for quick identification of areas to be cleared before first snow fall.

2.1.1.5 Snow Dump Operations and Maintenance

During a winter season, snow dumps are operated for the storage and disposal of snow.

The locations are:

1. Located in the open area north of Gaffney near west of railhead loading dock

2. Located in the open area on the east and west of 3380.

3. Located in the open area north side of Oak Avenue south 3728

4. Located in the open area south 3584 on Meridian

Operations include:

1. Keeping entrances and driveways clear and open to truck traffic.

2. Keeping snow pushed or blown into high piles in order to maintain enough ground for the entire season.

3. Keeping area free of litter and trash.

4. After breakup and when snow dump has melted and is free of snow all litter and trash shall be removed.

2.1.1.6 YTA – Snow Removal

Snow plowing operations shall commence when snowfall is estimated to accumulate greater than four (4) inches of snow on the roadway in the deepest snowfall area. Snow plowing operations per snowstorm or snow drifting event shall be completed within 72 hours after the end of the event. Achieve full winter road width with definition on the YTA Main Route within 24 hours after the end of the storm and within 72 hours for the remainder of the roads. Do not plow snow beyond the drivable road surface. The YTA road map is located in TE 02 and the list of roads is located in TE 01.

Hard Pack Removal and Break-up Hard pack removal will be necessary mid-winter, and again just before spring. During breakup the road shall change from being defined by a snow step at the shoulder to being defined by cut ditches. Contractor shall make every reasonable effort to prevent water or slush from forming or accumulating or standing on the road or on the shoulders. Remove hard pack and ice before it turns to slush. Ensure that ditches and culverts drain freely.

Graveling Graveling is required on hills, curves, intersections and roadways to include the bridge on Manchu Lake Trail over Moose Creek, approach areas to range facilities, roads and parking lots. Serration of hard pack is an approved technique for maintaining traction whenever it is feasible.

2.1.1.7 DTA – Snow Removal

Snow plowing operations shall commence when snow fall is estimated to accumulate greater than six (6) inches of snow on the roadway in the deepest snowfall area. Snow plowing operations per snowstorm or snow drifting event shall be completed within 72 hours after the end of the event. Do not plow snow beyond the drivable road surface. The DTA road map is located in TE 02 and the list of roads is located in TE 01

1. Wing back snow at the shoulders to provide additional snow storage as needed. Do not plow snow beyond the drivable road surface. Snow shall not be plowed into ditches on roadways and into the surrounding area adjacent to any parking lot unless it is fenced and removal of accumulated snow becomes a necessity to maintain adequate parking.

2. The following roads will be cleared upon request for training which is estimated to be three times a winter.

a. Dome Road

b. AT&T Tower Road

c. Old Richardson Highway Trail

d. Windy Ridge Road

Hard Pack Removal and Road Shoulder Definition Hard pack removal shall be monthly beginning November, continuing through March. During breakup the road shoulder definition shall change from being defined by a snow step at the shoulder, to being defined by cut ditches. Make every reasonable effort to prevent water or slush from forming or accumulating or standing on the road or on the shoulders. Remove hard pack and ice before it turns to slush. Ensure that ditches and culverts drain freely.

2.1.1.8 Snow Removal and Ice Control – Non Org Parking

The Contractor shall provide snow hard pack removal to all Non-Org Parking areas. Specific locations are located in paragraph TE 1 and TE 50 for reference. Snow will be removed from the surface of parking lot exposing pavement and parking lot striping. Snow hard pack shall be removed from parking areas, around HBO’s located throughout parking and will include paved areas that provide alternate access points to the facilities i.e. mechanical rooms or driveway circles. Snow hard pack removal services will be performed twice per snow season as directed by the KO or COR. The contractor shall complete clearing snow hard pack within 30 calendar days after notification by the COR, beginning with mission essential parking lots identified in TE 1 and 50

2.1.1.9 Snow Removal and Ice Control – Org Parking

The Contractor will provide snow hard pack removal to all Org Parking areas. Snow hard pack shall be removed from parking areas and around HBO’s located throughout parking area twice per snow season as directed by the KO or COR. The contractor shall complete clearing snow hard pack within 30 calendar days after notification by the KO or COR. Specific locations are located in TE 50 for reference.

2.1.1.10 Sidewalks/Running Paths, as identified in TE 51 shall be cleared of snow when accumulation reaches 2” in depth. Running path is identified as bike path in TE 51.

2.1.1.11 Dumpsters. The Contractor shall remove snow from and around the dumpsters to allow for pedestrian access to dispose of refuse. The Contractor shall clear access to dumpsters at the end of each snowstorm.

2.1.2.1 Snow Shoveling and Ice Removal. N/A

2.1.2.2 Catch Basins. N/A

2.1.2.3 Hydrants. N/A

2.1.2.5 HVAC Clearing. N/A

2.1.2.6 Gravel or Snow Stockpile Removal. N/A

2.2 Removal Priorities. Snow Removal operations for post roadways and the airfield shall occur simultaneously. Neither shall have priority over the other. However, priority will be given to Mission Essential Buildings located in TE 1

2.3. Ice Control Abrasives/Gravel Application. Ice control operations shall begin within one hour of ice on road surfaces or by notification by the Government. Ice abrasives consist of 1/16 inch chip gravel to be added after snow removal operations as needed. Application amounts are determined by road conditions at time tasks are performed. All chip gravel that is spread will be removed after breakup as part of the Scheduled Sweeping Support for Paved Surfaces.

2.3.1 Specific requirements

1. The Contractor will begin application within one (1) hour of notification by the government.

2. The Contractor will have 8 hours, after original notification by government to complete the gravel application of all locations found in Snow Removal Priority listing.

3. The Contractor shall be directed to continue spreading gravel onto road surfaces, depending on weather and road safety conditions as determined by random road safety inspections conducted by the COR or their authorized representative.

4. Application of gravel chips to road surfaces will begin 75 to 100 feet from intersections, driveways, turn lanes, in and out lanes on specified parking areas and other areas as designated and continue through the operational area.

5. Application will stop when vehicle is safely beyond the vehicle maneuver area.

6. Amounts and quantities of chip gravel applied per pass will be, under normal conditions, of a quantity and spread pattern across the road surface that provides motor vehicle with significantly improved vehicle traction and driving safety characteristics.

2.4 De-icing Supplies. N/A

2.4.1 On-Call De-icing Materials. N/A

2.4.2 Snow Plowing and Ice Removal Standby. N/A

2.5 Pavement Sweeping. The Contractor shall sweep the pavement areas specified in TE 50 and 51 using magnetic and vacuum sweepers once each month April - September. Areas to be swept include paved streets and parking areas. Sweeping will begin at the end of break up each year and continue for the period of April - September. The COR will provide the Project Manager one (1) work week advance notification of when road cleaning and sweeping maintenance is to begin. Street sweeping route is available in TE 51

Contractor shall perform these tasks to the following standards.

1. The Contractor shall sweep, vacuum, and use magnetic sweeping equipment to remove gravel from road surfaces, chip gravel, stones, litter, metallic fragments of one-sixteenth inch (1/16) in size or dimension, and all other similar debris found along road surfaces and shoulders.

2. The Contractor will be responsible for maintaining air quality standards as required by 42 USC 7401 and 18 AAC 50 in relation to fugitive dust generation. The Contractor shall apply water to road surfaces when necessary to reduce fugitive dust concentrations.

3. The Contractor shall ensure all road intersections are clean and free of accumulations of chip gravel and other similar debris materials from the previous winter season’s application for traction control.

The Contractor shall post traffic-warning signs in the immediate work site area. The Contractor shall remove these signs as soon as the work is complete or at the end of each workday.

2.5.1 Airfields. All access points will be swept to remove debris left behind from snow removal operations. Designated areas will be swept once in the spring and monthly May through September.

2.6 Inoperable Vehicles. The Government shall be notified of parked, stalled, or abandoned vehicles or equipment in the way of snow pack removal operations.

2.7 Safety. The Contractor shall ensure snow removal equipment that is slow moving or otherwise creates an unsafe condition are clearly visible to oncoming traffic and bystanders (e.g., equipped with rotating or flashing amber lights).