605B7600007 Project Manual_Scope.pdf

PROJECT MANUAL

Replacement of Boat Launch Dock

St. Mary’s River State Park

Project Number: EC26-09042-61

May 2026

For the State of Maryland Department of Natural Resources

Engineering and Construction Division Josh Kurtz, Department Secretary

State of Maryland Board of Public Works Wes Moore, Governor

Brooke E. Lierman, Comptroller Dereck E. Davis, Treasurer

TABLE OF CONTENTS

I. Detailed Specifications A. Scope B. Pre-Bid Conference C. Qualifications of the Contractor D. Site Visit E. Use of the Site F. Schedule of Work G. Standards and Codes H. Materials and Supplies I. Method of Work J. Warranty and Guarantee K. General Requirements L. Method of Payment

II. Alternates, Unit Prices, and Allowances

A. Alternates B. Unit Prices

III. Drawings & Attachments

I. DETAILED SPECIFICATIONS

A. SCOPE:

1. This project consists of the contractor providing all labor, equipment, materials, supplies, insurance, etc. remove and replace a floating dock, at St. Mary’s River State Park, 21250 Camp Cosoma Road, Leonardtown, MD 20650.

2. The work shall include but is not limited to the following:

a. Remove and dispose of the existing floating dock, four pilings, and gangway.

b. Purchase and install four new marine-grade timber pilings.

c. Install a new commercial-grade floating dock system with internal pile guides. Installation shall include a new ADA-compliant aluminum gangway anchored to the existing concrete abutment between the boat ramps.

d. Install new steel diamond plates onto the surface of the existing concrete abutment, approximately 72 SF.

e. Install a 36’ metal handrail system on each side of the concrete abutment.

B. PRE-BID CONFERENCE:

1. Each Bidder is encouraged to attend the scheduled pre-bid conference/ site visit, although it is not mandatory. See COMAR 21.11.03.09C (2) (e) for additional information.

2. All materials shall be as specified or approved equal by the DNR Project

Engineer. In the event the Contractor chooses to substitute materials other than those specified, the Contractor shall submit to the DNR Project Engineer all pertinent data to determine the or-equal status. This material shall be submitted to the DNR Project Manager a minimum of ten (10) days prior to the bid opening.

The DNR Project Manager shall notify the Contractor within five (5) days as to the or-equal status.

C. QUALIFICATIONS OF THE CONTRACTOR:

1. The Contractor shall be licensed in the State of Maryland as a General

Contractor to perform work associated with this project.

2. Upon request, the Contractor shall supply to the DNR Procurement Officer with a list of other similar projects which have been completed by the Contractor.

D. SITE INSPECTION:

1. Each bidder, before submitting a proposal, shall visit the site and familiarize themselves with the existing conditions and specific challenges of the boat ramp proximity.

2. Please contact the Facility Manager for the St. Mary’s River State Park, Catherine Donley at 301-872-5688 prior to any site visit.

E. USE OF SITE INSPECTION:

1. It is suggested that the Contractor visit the job site and familiarize himself/herself with the conditions under which the work will be performed. No allowance will be made for errors on the Contractor’s part for failure to take into Considerations or account any conditions or circumstances existing at the site which might affect the specified work.

F. SCHEDULE OF WORK:

1. All work shall be coordinated with the Park Manager and DNR Project Manager at the work initiation meeting.

2. Work shall be accomplished during normal park hours of 8:00 a.m. to 4:30 p.m., Monday through Friday, unless permission is given in writing to do otherwise. The Contractor shall notify the Project Manager and the Facility Manager, seven (7) days prior to his start of work and coordinate any closure required.

3. Work shall be performed and completed within 90 calendar days of Notice to

Proceed. Use of premises by the contractor is to be limited to specified work areas and approved storage areas.

4. Work shall be performed only when weather conditions and temperatures for application of materials to repairs are within the limits as specified by the Manufacturer print guidelines.

5. Time of Year Restrictions: St. Mary’s Lake is a Use I waterway; in-stream work may not be conducted from March 1 through June 15 inclusive, of any year.

G. STANDARDS AND CODES:

1. All work shall be performed in a top-quality workmanship manner in accordance with the standards of the trade.

2. The Contractor shall comply with OSHA (Occupational Safety and Health

Administration) and MOSHA (Maryland Occupational Safety and Health Administration) regulations regarding construction safety and health standards throughout the duration of the Project.

3. All work shall be performed and shall comply in accordance with the applicable code requirements and standards as defined by the Maryland Code Administration “Maryland Building Performance Standards” (MBPS) and the latest editions of:

- International Building Code (IBC)

- Timber Piles shall meet ASTM D25 and AWPA UC5B.

H. MATERIALS AND SUPPLIES:

1. General:

a. All materials shall be as specified or approved equal by the DNR Project Manager. In the event the Contractor chooses to substitute materials other than those specified, the Contractor shall submit to the DNR Project Manager all pertinent data to determine the or-equal status. This material shall be submitted to the DNR Project Manager a minimum of ten (10) days prior to the bid opening. The DNR Project Manager shall notify the Contractor within five (5) days as to the or-equal status.

b. Once the project has been awarded and prior to any purchasing and installation of any material, the contractor shall provide information regarding the materials submittals, in accordance with DNR requirements.

c. All materials shall be new and where applicable shall be delivered to the job site with labels intact and legible.

d. The Contractor shall be responsible for the coordination, off-loading and proper storage of all materials and supplies up until the time of the final inspection.

e. Materials, equipment etc., shall be stored in a safe area way out of the traffic. Storage site location shall be approved by the Facility Manager prior to the storage of any materials on site. All materials and supplies shall be stored up off the ground surface and protected from weather with a waterproof covering. Storage instruction required by the material manufacturer shall be performed by the Contractor as if specified herein.

The State will not be held responsible for any theft, vandalism, disturbance etc., caused/allowed by the lack of proper protection of work site/materials.

f. Any materials that have not been specifically mentioned, but are necessary for the complete, safe and satisfactory completion of the project shall be provided by the Contractor as if specified herein.

g. Handle products according to manufacturer’s print instructions and product specifications in using and application of the products and equipment.

h. Any utilities service pipes, electric cables etc., existing and running on the fencing and gate, impacting on the repair work should be detached or removed and should be refixed or reinstalled after the work is completed.

2. Specifics:

a. Timber Pilings: Shall be 10”D Southern Yellow Pine (SYP) treated to AWPA UC5B (2.5 pcf CCA) or an approved equal that meets marine-grade qualifications. Pilings shall be a minimum of 35’ in length. It is assumed that the pilings will be driven 15’ below the mud line but additional depth shall be priced using Unit Price #1.

b. Piling Caps: Shall be a round flat polypropylene cap, color black, manufactured by Dock Buildings Supply or an approved equal.

c. Floating Dock: Shall be 10’x30’ floating dock system manufactured by BoardSafe or an approved equal. Dock shall have 16” freeboard and 2.5” draft depth with no live loads present. All framing must be Marine Grade 6061 or 6063 Aluminum. All fasteners must be stainless steel. All floating must be plastic encapsulated foam. Decking shall be composite with a span rating of 24” on center; color to be selected from contractor supplied color samples. System shall have internal elongated pile guides incorporated with internal composite wear guides.

d. Gangway: Shall be 5’ x 20’ Gangway with supplemental plastic encapsulated foam floatation added to the bottom 18” manufactured by BoardSafe or an approved equal. Gangway shall have a 42” handrail on each site with an intermediate handrail located at 34”. Decking shall be

12” wide, raised rib, knurled aluminum, welded in place. 4” toe-kick should be provided on sides of gangway.

e. Bulkhead Mounting Angle Kit: Shall be galvanized steel angle with integrated attachment of hinges manufactured by BoardSafe or an approved equal. Hinges shall be mechanically attached.

f. Horizontal Anchors: Shall be 5/8” x 7” Wedge Anchors attached with properly sized nuts and bolts. Use anti-seize on all hardware.

g. Vertical Anchor Screws: Shall be 3/8” x 1 5/8” flat head screws that are installed into 3/8” threaded inserts. Use anti-seize on all hardware.

h. Dock to Dock Threshold Strip: Shall be flat aluminum threshold strip manufactured by BoardSafe or an approved equal.

i. Mending Plates: Shall be as recommended by the floating dock manufacturer.

j. Steel Diamond Flooring Plate: 3/8” x 4’ x 6’ Steel Diamond Plate that meets ASTM A-786 manufactured by MetalsDepot or an approved equal.

PT SYP support wedges. Shall be installed using wedge anchors or sleeve anchors and shall overlap the concrete edge approximately 6” on each side to prevent water infiltration. Separate plates shall be welded together to create a continuous walking surface without water infiltration.

k. Metal Railings: Shall be ADA Compliant ramp railing manufactured from galvanized steel fittings and pipes. Widths and lengths are to comply with ADA regulations. Railings shall have a handrail and toe-kick rail. They shall either be mounted to the top surface or side of the concrete abutment. Contractor shall supply DNR with a submittal sketch for approval prior to ordering parts.

I. METHOD OF WORK:

1. General:

a. All work shall be as called for in these written specifications.

b. The Contractor shall coordinate all work with various trades and material suppliers to complete the project expeditiously within the time limits of the contract. The sequence of events shall be left up to the Contractor.

c. All work shall be performed in the best and most professional manner possible by mechanics skilled in their respective trades.

d. All work shall be performed to minimize disruption to facility operations. It is understood that the Contractor shall maintain accessibility for vehicular and pedestrian traffic throughout the project.

e. The Contractor shall provide and install adequate barricades, signs, etc.

necessary to ensure public safety as approved by the Facility Manager.

f. The Contractor shall adhere to OSHA-MOSHA regulations throughout the project to ensure the safety of his/her employees, state employees, and the public.

g. The Contractor shall maintain the work site in a safe, neat, and orderly manner throughout the entire project. The Contractor shall take steps to prevent accumulation of debris at the job site.

h. Any work, which has not been specifically mentioned, but is necessary for the safe, professional and satisfactory completion of the project, shall be performed by the Contractor as if specified herein.

i. Coordinate the sequence of work with the Facility Manager and DNR

Project Manager to reduce damage to the turf areas by the dumpster or the trucks that are not in the proposed work and equipment that are stationed around the work site to remove debris and stripped material. Any damage caused is the responsibility of the contractor to repair and rectify it at no additional cost to the state or agency.

2. Specifics:

a. Install a turbidity curtain around work site to extend from ends of the timber bulkheads on each site of the boat ramps.

b. Detach the floating dock gangway from the existing concrete abutment to ensure that the abutment is not damaged during demolition. Remove the steel plate on top of the concrete abutment.

c. Pull four existing wooden pilings, in their entirety, holding the floating dock in place.

d. Remove the floating dock system and dispose of properly off site.

e. Install two new pilings in the locations identified on the drawings. It is assumed that the pilings must be driven by a crane and matting must be installed along the boat ramp to prevent damage. Pilings shall be driven carefully so as not damage the nearby concrete boat ramp.

f. Install the new floating dock system as per the manufacturer’s recommendations. Ensure that existing concrete abutment is protected during the installation of the new bulkhead mounting angle and gangway.

Anchors into the concrete shall be set with epoxy. Ensure a dielectric barrier is installed between the aluminum hinge and the concrete/stainless fasteners to prevent galvanic corrosion.

g. Cut and install composite or PT lumber to fill slump on top of existing concrete abutment. New fill lumber should be installed to create an even base for the new steel plating that will cover it. Fill should be as solid and without gaps as possible and should not extend over the concrete lip on each side.

h. Install the new steel diamond plates onto the top of the concrete abutment surface and new fill lumber. Attach the new steel plates using wedge anchors or sleeve anchors onto the overlapping side portion of the steel plate. Anchors are to be installed at a minimum of once per foot. Anchors must be installed 3” or below the concrete walking surface to ensure longevity. Seams between steel plates shall be welded to ensure that there is no water infiltration below the plating.

i. Install the new metal handrail systems to both sides of the concrete abutment. Handrails shall be installed onto the top surface of side mounted. They shall be installed using manufacturer recommended fasteners and techniques. Handrails shall run from the end of the abutment back 12’. The same area that is to receive the new steel plating.

Handrails shall be mounted so that the top rail is 34” to 38” high.

j. Properly clean out existing holes in the concrete abutment that were left by the old steel plate and previous drilling. Push in a concrete patching compound or hydraulic cement until flush with the surrounding concrete and smooth our using a wet sponge. No holes in the abutment shall remain.

k. Clean up the site and remove all construction debris. All metal shavings, scraps, fasteners, trash, etc. shall be removed from state property and properly disposed of.

J. WARRANTY AND GUARANTEE:

1. The Contractor shall guarantee his/her work for a period of two (2) years from the date of acceptance. Any defects found within the warranty period shall be repaired or replaced by the Contractor at no additional cost to the State.

2. The Contractor shall submit to the DNR Project Manager all manufacturer’s warranty information regarding any/all products installed.

K. GENERAL REQUIREMENTS:

1. The Contractor shall notify the Department of Natural Resources (DNR)

Project Manager within seven days of receiving the signed Contract to schedule a Pre-Construction Meeting. The Project Manager will identify the requirements for documentation, Administrative Submittals, Progress Meetings, Change Orders, completion reporting, payment application, and any special requirements of these specifications.

2. The Contractor shall forward Administrative Submittals, Materials and product data submittals etc., to the Project Manager, and receive written approval of said submittals, prior to mobilizing or ordering materials. Administrative Submittals shall include, if applicable, permits, certifications, resumes, project schedule, licenses, schedule of values, subcontractor information, and safety procedures.

3. The contractor shall provide a bar chart, or list of dates, proposing the construction schedule from the anticipated start date until completion without interruption. The schedule shall show all steps or stages of the project that are dependent on other work being in place. Additionally, work by subcontractors or changes in the division of construction shall be shown. The contractor shall immediately notify the Project Manager of any anticipated delays, such as long lead items.

4. Project progress meetings shall be scheduled biweekly or monthly, as required by the Project Manager, throughout the duration of the project. The Contractor shall provide updates on work activities, the construction schedule, submittals, quality control, safety, security, etc. on a biweekly basis regardless of the meeting schedule.

5. When the contractor believes the work in place satisfies the contract requirements and can be utilized by the facility for its intended purpose, the contractor shall request a substantial completion inspection. If determined substantially complete, the project manager will provide the inspection report, list any items observed incomplete and/or in need of correction, and shall identify the warranty start date.

6. The contractor shall provide closeout documents at the time of the substantial completion including the contractor's two-year warranty specific to the project.

The contractor shall also provide any manufacturer's warranties, operation and maintenance manuals, final inspection reports, facility training information, loose accessories, keys, attic stock, etc., if applicable to the project.

7. The contractor shall provide as-built drawings for this project showing the final pile tip elevations and approximate pile depths.

8. The completed project is subject to the inspection and approval by the

Department of Natural Resources.

9. The requirements stated in the latest edition of department of general services

“General Conditions – Instructions to Bidders for Construction Projects” are hereby made part of these documents.

L. METHOD OF PAYMENT:

1. After satisfactory completion and acceptance of work, the Contractor shall submit an invoice to the DNR Project Manager for processing and payment.

2. Payments shall be made in accordance with General Conditions, Terms and

Conditions.

IV-23

II. ALTERNATES AND UNIT PRICES

A. ALTERNATES:

N/A

B. UNIT PRICES: For all unit prices refer to scope, material and work specifics.

1. The Contractor shall insert a cost per Linear Foot X an estimated 30 LF quantity =

Total Unit Price #1, for driving/install of new pilings below mud line as specified. It is assumed that each piling (2) shall be driven 15’ below the mud line. The purchase, delivery, storage, etc. of the new pilings (35’) shall be included into the Base Bid. This Unit Price is only to cover the unknown depth required for piling installation.

NOTE: The Contractor shall incorporate all costs associated with transport, fuel, maintenance on equipment, employee salary, benefits, overhead, profit etc. Unit Prices will be used to increase/decrease the contract price based on actual quantities installed, in accordance with the Instructions to Bidders for Construction Projects (3.B.3).

III. DRAWINGS AND ATTACHMENTS

A. DRAWINGS:

B. ATTACHMENTS:

- MDE W&S Admin – Wetlands & Waterways – Authorization to Proceed

I. DETAILED SPECIFICATIONS