Project Manual - M-500-190-004.pdf

PROJECT MANUAL

FOR

CONSTRUCTION OF

DEMOLITION

AT

HAVRE DE GRACE MILITARY RESERVATION

HAVRE DE GRACE, MARYLAND

Project Cost Classification: C

DGS CONTRACT NO. M-500-190-004 DATE: AUGUST 2019

DEPARTMENT OF GENERAL SERVICES BOARD OF PUBLIC WORKS

ELLINGTON E CHURCHILL, JR., SECRETARY LARRY HOGAN, GOVERNOR

301 WEST PRESTON STREET PETER FRANCHOT, COMPTROLLER

BALTIMORE, MD 21201 NANCY K. KOPP, TREASURER

Minority Business Enterprises are encouraged to respond to this solicitation

Author: DMS, 28 May 2019 Page 1 of 9

1. Scope/Specific Tasks:

1.1. Basic Services

The Project Site is located on a 75.88-acre parcel in the center of the Havre de Grace Military

Reservation on the north side of Old Bay Road in Havre de Grace, Harford County, Maryland.

The Original Armory and Original USP&FO Warehouse were part of a racetrack complex constructed in 1924. The race track complex use was later readapted and managed by the Using

Agency – Maryland Military Department/ Maryland Army National Guard (MDARNG) from 1951 to present. The Original Armory is currently unoccupied and has been replaced with a new

Readiness Center. The Original USP&FO Warehouse has been replaced with a new USP&FO

Warehouse. The removal of the unoccupied Original Armory and Original USP&FO Warehouse will accommodate vehicle parking areas in a future planned project. The Project Site Limits of

Demolition consists of the Original Armory, Original USP&FO Warehouse and utilities and other related structures. Asphalt paved vehicle parking areas to remain.

Base Bid:

The contractor shall provide services for the demolition, removal and disposal of existing construction of the Original Armory (Building A1) at 38,007 square feet, Original USP&FO

Warehouse (Building W1) at 46,689 square feet, related structures, and site improvements as required. The contractor shall also provide services for the demolition, removal and disposal and disconnect, re-route, cap or seal existing site utility services and related utility structures that are not required. In addition, the project requires the Contractor to obtain engineering services for demolition and modifications as a result of demolition.

The project requires the Contractor to obtain structural engineering services for structural work required, as a result of demolition.

1. Demolish, remove and dispose of existing buildings and related structures.

2. Provide permanent structural support of existing buildings and structures to remain.

3. Demolition of Building W1 will require special demolition treatment. Building W1 and the Combined Support Maintenance Shop (Building S1) share common load bearing masonry perimeter walls and roof structures. Building S1 is to remain.

The project requires the Contractor to obtain geotechnical/civil engineering services for site and utility work required, as a result of demolition.

1. Demolish, remove and dispose of existing site improvements to include existing security fencing attached to buildings designated for removal. Contractor will provide new and permanent security fencing in all fencing voids resulting from demolition, in order to maintain secure perimeters. New security fencing to match existing security fencing.

2. Demolish, remove and dispose of and disconnect, re-route, cap or seal existing site utility services and related structures as required.

3. Remove and dispose of at grade, above grade and below-grade existing construction.

4. Remove and dispose of all debris (to include remediation/ removal and proper disposal of hazardous materials)

5. Restore demolished areas with compacted structural fill and stabilization with top soil and seeding.

6. Provide Sediment and Erosion Control plan for approval by the Maryland Department of the Environment (MDE).

Author: DMS, 28 May 2019 Page 2 of 9

All work shall be done within Project Demolition Limits and in strict accordance with plans and technical provisions (Project Site Existing Conditions/ Limits of Demolition Plan, Demolition

Specifications provided by Owner within this document).

Note: The Contractor will be responsible for coordinating with public utility companies, local, State, and Federal regulatory agencies having jurisdiction and obtaining and paying for any permits, fees and any other utility cost on-site. Modifications to existing utility lines and connections is also the responsibility of the Contractor.

Add Alternate #1:

The contractor shall provide services for the demolition, removal and disposal of existing construction of Original Reservation Manager Offices (Buildings O1A and O1) at 2,720 square feet, related structures, and site improvements as required within Project Demolition Limits and disconnect, re-route, cap/seal existing site utility services and related structures that are not required.

Add Alternate #2:

The contractor shall provide services for the demolition, removal and disposal of existing construction of residential type buildings to include related structures, and site improvements within

Project Site Demolition Limits and disconnect, re-route, cap/seal existing site utility services and related structures that are not required.

1. Residence 4 (R4) at 2,080 square feet,

2. Residence 5 (R5) at 1,008 square feet,

3. Residence 6 (R6) at 1,398 square feet,

4. Residence 7 (R7) at 1,244 square feet,

5. Residence 9 (R9) at 528 square feet,

6. Garage to Residence 4A (R4A) at 624 square feet,

7. Garage to Residence 5A (R5A) at 192 square feet,

8. Garage to Residence 5B (R5B) at 1,500 square feet,

9. Garage to Residence 6A (R6A) at 288 square feet,

10. Garage to Residence 9A (R9A) at 440 square feet,

1.2. Instructions to the Contractor

PART 1 - General

1.2.1. Summary

A. Section Includes:

1. Demolition, removal and disposal of existing buildings and related structures.

2. Demolition, removal and disposal of existing site improvements.

3. Demolition, removal and disposal, disconnecting, re-routing, capping or sealing of existing site utility services and related structures.

4. Removal and disposal of at grade, above grade and below-grade existing structures.

5. Removal and disposal of all debris (to include remediation/removal and proper disposal of hazardous materials).

6. Restoration of demolished areas with compacted structural fill and stabilization with topsoil and seeding.

Author: DMS, 28 May 2019 Page 3 of 9

1.2.2. Definitions

A. Demolition: Removal of all unneeded and undesirable existing at grade, above grade and below-grade elements and features in conflict with the demolition, as well as removal of site utility services and structures that are not required.

1. Remove and Dispose: Remove and legally dispose off-site.

B. Remain in place: Existing items that are not to be permanently removed and that are not otherwise required to be removed and salvaged.

1.2.3. Material Ownership

A. Unless otherwise noted, demolition waste becomes property and responsibility of the

Contractor.

1.2.4. Submittals

A. Pre-demolition Photographs or Video of demo site and surrounding elements: Submit prior to start of demolition operations.

B. Schedule of Demolition Activities: Temporary interruption, shutoff, partial removal and disposal, disconnecting, re-routing, capping, sealing, and abandoning in-place of site utility services. Schedule of building demolition shall include starting and ending dates for each activity.

C. Landfill Records: Hazardous materials will be removed and disposed of by Contractor.

D. Proposed Protection Measures: Submit informational report, including Drawings, that indicates the measures proposed for protecting individuals and property, for environmental protection, for dust control and, for noise control. Indicate proposed locations and construction of barriers.

1. Adjacent Properties: Detail special measures proposed to protect adjacent buildings to remain as occupied and used.

E. Proposed Submittals: Submit product data to include shop drawings that indicate measures proposed for new construction.

1.2.5. Quality Assurance

A. Regulatory Requirements: Comply with governing EPA notifications before beginning, during and after completing demolition operations.

1. Comply with hauling and disposal regulations of authorities having jurisdiction pertaining to “Particulate Matter from Materials Handling and Construction” (COMAR

26.11.06.03D), requiring that during any demolition operations, reasonable precaution shall be taken to prevent particulate matter, such as dust and dirt, from becoming airborne.

2. Comply with solid waste regulations of authorities having jurisdiction pertaining to solid waste generated from the Project site, requiring that any solid waste shall be properly disposed of at a permitted solid waste acceptance facility, or recycled if possible, as required in Section 017419 “Construction Waste Management and Disposal” located in

Attachment C: Division 1- General Requirements of the Project.

B. Pre-Demolition Conference: Scheduled after contract award. Conduct conference at Project site.

C. Standards: Comply with ANSI/ASSE A10.6 and NFPA 241.

Author: DMS, 28 May 2019 Page 4 of 9

1.2.6. Project Conditions

A. Notify Owner of discrepancies between existing conditions and “Project Site Existing

Conditions/ Limits of Demolition Plan” before proceeding with demolition.

B. Hazardous Materials: Hazardous materials will be removed by Contractor.

C. Utility Service: Maintain existing utilities to remain in service and protect them against damage during demolition operations. Maintain fire-protection services during demolition operations.

D. Building Inventory: Approximate locations of existing buildings and related structures to be removed are indicated on “Project Site Existing Conditions/ Limits of Demolition Plan”.

E. Existing asphalt paved vehicle parking areas to remain, unless otherwise noted.

PART 2 - Products

1.2.7. Fill Materials

A. Below-Grade Areas: Completely fill below-grade areas, voids resulting from demolition operations with satisfactory soil materials, compacted structural fill and stabilization with top soil and seeding. Must be in accordance with Federal, State and local regulations and industry standards for backfill requirements. Comply with requirements for compacted structural fill.

B. Fill material shall conform to the definition of satisfactory material for recycle and reuse. Fill material shall be free from roots and other organic matter, trash, debris, frozen materials, and stones larger than 2-inches in any dimension.

C. Base Preparation and Placement: Place and compact minimum of eight-inches (8”) of imported

CR6 aggregate base on 95% compacted subgrade. Surface shall be smooth, true to grade and free from humps, depressions and irregularities. Compacted structural fill must support the weight of vehicle parking in the future. Subgrade undercut to allow asphalt paved vehicle parking areas in the future.

PART 3 - Execution

1.2.8. Examination

A. Verify locations of site utilities with authorities having jurisdiction and/or private utility locating company, prior to starting demolition operations. Coordinate with utility companies having jurisdiction for removal of meters, meter cans, transformers, poles, natural gas, etc.

B. Verify site utilities that require termination or disconnection, prior to starting demolition operations.

C. Verify that the site utilities that require partial removal and disposal, disconnecting, re- routing, capping or sealing, and abandoning in-place have been disconnected and capped at the primary source, prior to starting demolition operations.

D. Survey existing conditions and correlate with requirements to determine extent of demolition required. Owner does not guarantee that existing conditions are same as those indicated in “Project

Site Existing Conditions/ Limits of Demolition Plan”.

E. When unanticipated elements and features that conflict with intended function are encountered, investigate and measure the nature and extent of conflict. Promptly submit a written report to

Owner.

F. Record existing conditions by use of pre-construction photographs, as required in Section

013230 “Photographic Documentation” located in Attachment: Division 1- General Requirements of the Project.

Author: DMS, 28 May 2019 Page 5 of 9

1.2.9. Preparation, General

A. Site Access and Temporary Controls: Conduct demolition and debris-removal operations to ensure minimum interference with roads, streets, walks, walkways, and other adjacent occupied and used facilities, as required in Section 015000 “Temporary Facilities and Controls” located in

Attachment: Division 1- General Requirements of the Project.

1.2.10. Protection, General

A. Existing Facilities: Protect existing roadways, streets, walks, walkways, and other adjacent occupied and used facilities during demolition operations. Maintain access to existing roadways and other adjacent occupied and used facilities.

B. Temporary Protection: Erect temporary protection as necessary during demolition operations.

1. Site Access and Temporary Controls: Protect existing roadways, streets, walks, walkways, and other adjacent occupied and used facilities, as required in Section 015000

“Temporary Facilities and Controls” located in Attachment: Division 1- General Requirements of the Project.

a. Maintain access to existing roadways and other adjacent occupied and used facilities.

b. Protect existing site improvements, appurtenances, and landscaping to remain.

2. Temporary Facilities: Provide temporary barricades and other protection required to prevent injury to people and damage to adjacent buildings and facilities to remain.

3. Temporary Shoring: Provide and maintain shoring, bracing, and structural supports as required to preserve stability and to prevent movement, settlement, or collapse of adjacent buildings and facilities to remain, and to prevent unexpected or uncontrolled movement or collapse of adjacent buildings and facilities to remain and/or being demolished.

4. Temporary Fencing: Provide temporary security fencing during demolition to maintain secure perimeters.

1.2.11. Site Utility Services Preparation and Protection

A. Existing Site Utility Services:

Demolition Limits

1. Sanitary sewer: Maintain existing service and remove back to primary source (utility service main entry point/feed/supply).

2. Water Service: Continuous water service is required for operational needs of the Havre de

Grace Military Reservation. Remove branch service lines back to primary source (utility service main entry point/feed/supply). Cut and cap water taps.

3. Electric Service: Maintain existing service along Old Bay Lane and remove back to primary source (utility service main entry point/feed/supply).

4. Gas Service: Maintain existing service along Old Bay Lane and remove back to primary source (utility service main entry point/feed/supply).

5. Communication Service: Maintain existing service and remove back to primary source

(utility service main entry point/feed/supply).

Note: Site Utility Services are indicated in “Project Site Existing Conditions/ Limits of Demolition

Plan”.

B. Existing Site Utility Services to remain: Identify and maintain services required to remain and protect them against damage during demolition operations.

Author: DMS, 28 May 2019 Page 6 of 9

Services to Remain

1. Do not interrupt in excess of 24 hours existing utilities serving adjacent occupied or operating facilities unless request has been authorized in writing by Owner with 72 hour notice of event.

2. Provide temporary services during interruptions in excess of 24 hours for existing utilities.

C. Existing Site Utility Services to be removed or abandoned: Locate, identify, disconnect, drain, re-route, cap or seal utility services and related structures serving areas.

Services to Remove or Abandon

1. Contractor will arrange to shut off utilities with utility companies.

2. If portions of utility services are required to be removed or abandoned, provide temporary services that bypass area of demolition and that maintain continuity of services to other adjacent occupied and used facilities.

3. Disconnect, re-route, remove or abandon permanent fire-suppression, plumbing, electrical and HVAC systems, equipment, and components required to be re-routed, removed or abandoned. Do not start demolition work until utility disconnecting and sealing have been completed.

a. Piping to Be Removed: Remove portions of piping required to be removed and cap or seal remaining piping at main with same or compatible piping material.

b. Piping to Be Abandoned in Place: Drain piping and cap or seal piping with same or compatible piping material.

c. Equipment and Components to Be Removed: Disconnect and cap services and remove equipment and components.

1.2.12. Demolition, General

A. General: Demolish and remove existing construction only to the extent required. Use methods required to complete the demolition operations within limitations of governing regulations and as follows:

1. Use cutting methods least likely to damage construction to remain or adjoining construction. Temporarily cover openings to remain. As required in Section 017320 “Cutting and

Patching” located in Attachment: Division 1- General Requirements of the Project.

2. Do not use cutting torches until demolition operations area is cleared of flammable materials. Maintain fire watch and portable fire-suppression devices during flame-cutting operations.

3. Locate demolition equipment and remove debris and materials so as not to impose excessive loads on walls, floors, or framing.

4. Dispose of demolished items and materials promptly.

B. Site Access and Temporary Controls: Conduct demolition and debris-removal operations to ensure minimum interference with roads, streets, walks, walkways, and other adjacent occupied and used facilities, as required in Section 015000 “Temporary Facilities and Controls” located in

Attachment: Division 1- General Requirements of the Project.

1. Do not close or obstruct roads, streets, walks, walkways, or other adjacent occupied or used facilities without permission from Owner. Provide alternate routes around closed or obstructed traffic ways if required by authorities having jurisdiction.

C. Existing Items to Remain: Protect construction required to remain against damage and soiling during demolition.

D. Use of explosives is not permitted.

Author: DMS, 28 May 2019 Page 7 of 9

1.2.13. Demolition By Mechanical Means

A. Below-grade construction: Remove all existing foundation walls and footings. Remove other below-grade construction as required in “Demolition Specifications”.

1.2.14. Site Restoration

A. Site grading: Uniformly grade area of demolished construction to a smooth surface, free from irregular surface changes. Provide a smooth transition between adjacent existing grades and new grades. Restore demolished areas with compacted structural fill and stabilization with top soil and seeding.

1.2.15. Disposal of Demolished Materials

A. General: Remove demolished materials from project site and legally dispose of materials in an

EPA-approved landfill.

1. Do not allow demolished materials to accumulate on-site.

2. Remove and transport debris in a manner that will prevent spillage on adjacent surfaces and areas.

B. Burning: Do not burn demolished materials.

C. Disposal: Transport demolished materials off Owner's property and legally dispose of materials, unless otherwise noted.

1.2.16. Cleaning

A. Clean adjacent structures and improvements of dust, dirt, and debris caused by demolition operations. Return adjacent areas to condition existing before demolition operations began.

1.3. Performance Specifications - Demolition

1.3.1. Scope of Work:

A. Remove all existing construction and disconnect, re-route, cap or seal existing site utility services and related structures that are not required. The following existing elements must be removed:

1. Designated buildings and structures.

2. Foundation walls and footings associated with the designated buildings and structures footprint.

3. Concrete slabs on grade.

4. Pavements and curbs.

5. Manholes and covers.

6. Curb inlets and catch basins.

7. Underground storage tanks.

8. Underground petroleum products piping.

9. Utility meters and other equipment and exposed piping.

10. All abandoned utility poles and supports, pipes, ducts, and conduits, whether above or below ground.

B. The following existing elements may remain in place provided they are concealed in the final work:

1. Underground piping, provided it is completely drained and capped, and noted on the

"As-Built" documentation, except petroleum products piping.

Author: DMS, 28 May 2019 Page 8 of 9

C. Relocate existing construction and utilities as required.

D. Where requirements of another element group also apply to demolition or relocation operations, meet the requirements of that element group as well.

E. In addition to the requirements of this Section, comply with all applicable requirements of

Project.

1.3.2. Amenity and Comfort:

A. See Division 1 - General Requirements of the Project for noise control and dust control.

B. Public Amenity: Conduct operations so as to cause minimum annoyance of the public and adjacent property owners and tenants.

1. Substantiation: Documents: Detailed demolition plan, including daily schedule.

C. Use physical barriers to protect existing elements to remain.

1.3.3. Health and Safety:

See Division 1 - General Requirements of the Project for additional requirements.

A. Health Hazards:

1. Existing Asbestos and Asbestos-Containing Materials: Comply with 29 CFR

1926.1101 and applicable state and local regulations; complete removal is required.

2. Existing Lead-Based Paint: Comply with 29 CFR 1926.62 and applicable state and local regulations; removal or recoating is acceptable.

1.3.4. Structure:

A. Prevent movement or settlement of structures that are to remain.

B. Cease operations immediately if structures that are to remain appear to be in danger; do not resume operations until danger has been removed or remedied.

C. Coordinate demolition with grading so that final grades do not subside within one year after completion.

1.3.5. Durability:

A. Maintain temporary and permanent erosion and sediment controls during demolition and relocation operations or replace as soon as demolition or relocation is complete.

1.3.6. Operation and Maintenance:

A. Comply with requirements of utility providers.

B. Locations of Existing and Abandoned Utilities: Recorded or marked in such a manner that they can be easily located during and after completion of construction.

1.3.7. Method of Construction:

A. Do not use any of the following methods:

1. Explosive demolition.

2. Methods producing excessive noise to adjacent properties.

Author: DMS, 28 May 2019 Page 9 of 9

1.3.8. Performance Specifications - Site Work

1.3.8.1. Basic Function:

A. Provide all modifications to the site, site improvements and utilities as required. Provide all elements required for finished and durable site surfaces.

B. Site work comprises the following elements:

1. Site Preparation: All modifications to the site and grades required for new construction and for proper functioning of the project.

2. Site Improvements: All elements required to provide finished and durable site surfaces.

3. Site Services: All outdoor and underground elements required.

4. Other Site Construction: Miscellaneous site elements.

C. Site preparation is comprised of the following elements:

1. Clearing: Removal of trash, existing built elements, and vegetation that is not needed, and temporary erosion control.

2. Earthwork: Changing of grade levels, removal of soil and rock, modifying existing soils in preparation for construction, and temporary and permanent erosion and sediment control structures made of soil or rock.