8-General Conditions for Infrastructure Maintenance, Inspection and Repair.pdf

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Attached to
ITB - Lynchburg Ferry Landing Infrastructure Inspection, Maintenance, Repairs and Related items for the Harris County Toll Road Authority
Solicitation number
25/0197
Issued by
Harris County, Texas

About this file

This is a General Conditions document for a routine maintenance non-site specific call-out contract issued by HCTRA (Harris County Toll Road Authority) for infrastructure maintenance, inspection, and repair services at North and South Landing, Gantry and Berthing Docks. The contract covers routine maintenance, inspections, emergency repairs, and internal structural examination of gantries, dolphins, wingwalls, hoists, sheaves, blocks, counterweights, gangways, ramps, and bulkheads at the Lynchburg Ferry operations. No work or minimum quantities are guaranteed, with line items used only on an as-needed basis as determined by the department. Site visits are essential and strongly encouraged to properly assess the project and potential constraints. Upon written notice of a work order, contractors must order required materials and mobilize within 10 calendar days for standard work or within 72 hours for call-outs (7 calendar days for barge work, 2 hours for emergency repairs).

The contract includes detailed line items for various maintenance categories including gantries inspection and repair, dolphins and wingwalls maintenance, electric/manual hoists and cables, gangways, ramps, and bulkheads, with additional miscellaneous items for welding, machine shop work, pipe fitting, electrical work, crane services, and painting. All materials must comply with United States Coast Guard (USCG) and American Bureau of Shipping (ABS) requirements, with welding performed by ABS and USCG certified welders. The contractor must provide all labor, materials, equipment, tools, cranes, barges, and safety materials necessary to complete work, with 24-hour notice required for any off-site work. Payment structure includes actual material costs for items with long lead times, with balance paid upon completion, and hourly items are intended to cover unanticipated work with man hours reported no later than one business day following work performance.

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General Conditions for Infrastructure Maintenance, Inspection and Repair

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Description. This is a Routine Maintenance Non-Site Specific Call-out contract.

Routine maintenance, inspections, emergency repairs, internal structural examination and related items for North and South Landing, Gantry and Berthing Docks. These conditions include gantries, dolphins, wingwalls, hoists, sheaves, blocks, counterweights, gangways, ramps and bulkheads.

No work is guaranteed, and no minimum quantity is guaranteed. Line items will only be used on an as needed basis as determined by the department. All items may not be utilized. Site visits should be performed to properly assess the project. A site visit is essential and strongly encouraged to obtain a complete understanding of the project and project area. A site visit can assist with clarifying details and assessing potential project constraints such as physical and environmental constraints.

The channel will remain open to marine traffic during repair operations. Coordinate work that will impact boat traffic in the channel with the United States Coast Guard (USCG).

The execution of all work will be conducted after discussion and agreement by the HCTRA designee. Minor details will be discussed. Work will proceed when acceptable to the HCTRA representative.

A Work Plan and schedule of values, including Mobilizations and Relocations, and Items of Work will be submitted to HCTRA for approval prior to Mobilization. Any alteration or deviation from the original approved submittal must be resubmitted and approved in writing by HCTRA. This shall include all Contractor Mobilizations and Relocations. Execution of all work will begin with

HCTRA approval.

Upon written notice of a work order being issued, order the required materials, and as soon as each line-item materials are available, with approved work plan and HCTRA approval, Mobilize within

10 calendar days and begin work in an expeditious manner. Prosecute work continuously to completion within the working days specified in the approved working plan.

References to manufacturer’s trade name or catalog numbers are for the purpose of identification only. Similar materials from other manufacturers are permitted if they are of equal quality, comply with the specifications for this project, and are approved. Any substitution of materials will require submittal with HCTRA approval. Line items requiring ordering lead time shall be ordered within

72 hours of the initiation of the line item and written verification shall be submitted to HCTRA designee or his/her Representative.

HCTRA reserves the right to initiate any item with long lead time to have parts available for repairs as needed. Contractor shall submit actual material costs for payment. Balance of line item shall be paid upon completion of line item.

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General:

Item 1.001 Site Management

Do not leave equipment in the ferry landing or work dock when gainful work is not being performed except for overnight where work will be performed the next working day unless directed by the HCTRA representative. Equipment is to be relocated from the ferry landing over all weekends unless approval is given.

Hazardous and non-hazardous waste materials will be disposed of in accordance with all applicable state and federal regulations. Copies of disposal records and manifests will be provided to HCTRA.

Contractor shall conduct activities in compliance with applicable Environmental Laws and regulations and other requirements of the Contract relating to the environment, and its protection at all times.

Salvageable parts removed by the Contractor will become the property of the department upon the request of HCTRA Representative. Should the department waive salvage of any parts removed, said items will become the property of the Contractor. All salvaged material shall include any demo required to remove salvaged material from demo item. Contractors shall store salvaged material at the location designed by department.

Do not conduct lifting operations while the ferry vessels are maneuvering or conducting operations in the landing or adjacent landing in which work is being performed. The ferry vessels will not use the landing in which work is being performed unless an unforeseen emergency should arise.

At the HCTRA designee’s discretion and approval, repair and maintenance beyond the scope of onsite capabilities can be conducted on the Contractor's property. A twenty-four hour notice must be given for any off-site work allowing for the inspector to be present.

The removal of excess marine growth from an Intermediate or Inner Dolphin, if applicable, will be considered subsidiary to the various bid items. All marine growth should be removed in its entirety.

Item 1.002 Materials and Equipment

Provide all labor, materials, equipment, tools, cranes, barges and incidentals necessary to complete the work, unless otherwise specified. Furnish all safety materials, testing, and devices necessary to perform the work in a safe and orderly manner.

Furnish equipment and any other incidental materials such as nuts, bolts, etc., and all cleaning solutions necessary to complete work. All materials shall comply with the United States Coast

Guard (USCG) and American Bureau of Shipping (ABS) requirements.

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Item 1.003 Prosecution and Progress

Working days will be completed Monday through Sunday. All work hours and schedules must be approved by HCTRA designee. Weather days are not included in this contract. All days are charge workdays including workdays that require prior approval.

The Contractor shall provide 10 calendar days advance written notice to HCTRA representative to obtain approval for scheduling work on afterhours and Holidays.

Item 1.004 Construction

All construction will be performed at the Lynchburg Ferry North or South landings, dolphins and berthing docks.

Must Comply with the USCG, ABS, CFR’s and the requirements of this item. Notify the County prior to work being performed. Provide the County with all the information regarding work performed.

Start work when notified by the County to continue work. The County reserves the option to defer the work at a later time period. In addition to scheduling work after hours and not during operating hours.

Take all necessary precautions to protect the existing equipment, areas, and furnishings during the execution of the work.

Repair or replace any damage, including all coating systems or steel damaged due to work floats, bank, and gangway, caused by the Contractor while they are in the Contractor’s possession to the satisfaction of the Superintendent or designee and at the Contractor’s expense.

Keep work area clean and free of all waste and trash, including but not limited to welding rods, empty cans and boxes, rags, oil and grease, removed steel, pieces trimmed off during fitting, blasting media, and dust. Clean up any oil and grease as soon as possible to prevent accidents and to prevent staining.

Parts shall be replaced with same part or equivalent per HCTRA drawings and specs (provided).

All welding must be done in accordance with ABS and USCG rules and procedures. Use ABS and

USCG certified welders in accordance with the latest revisions.

Item 1.005 Marine Operations and Systems Repair Mobilization

All call out work will begin within the required time frame. The number of days will be approved prior to work. The contractor will begin work within 72 hours of notification for call outs unless otherwise approved by HCTRA designate. Call outs requiring a barge will begin 7 calendar days of notification, unless otherwise approved by HCTRA designate. When notify of an emergency repair, Contractor shall respond within 2 hours of notification.

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Move in and move out expenses incurred when it is necessary to travel to make repairs. The travel distance will be limited to a maximum of 150 miles round trip.

Provide vehicle and trailer if needed to transport contractor, equipment, and materials to repair location(s). The HCTRA or HCTRA designee will approve this item prior to being utilized.

This item will not be used for normal operations that require the pickup and delivery of equipment, materials, parts, etc.

Item 1.006 Legal Relations and Responsibilities

Do not initiate activities in a Project Specific Location (PSL), associated with a U.S. Army Corps of Engineers (USACE) permit area, that have not been previously evaluated by the USACE as part of the permit review of this project. Such activities include those pertaining to, but are not limited to, haul roads, equipment staging areas, borrow and disposal sites. Associated defined here means materials are delivered to or from the PSL. The permit area includes the waters of the U.S. or associated wetlands affected by activities associated with this project. Special restrictions may be required for such work. Assume responsibility for consultations with the USACE regarding activities, including PSLs that have not been previously evaluated by the USACE. Provide the

Department with a copy of consultations or approvals from the USACE before initiating activities.

The Contractor may proceed with activities in PSLs that do not affect a USACE permit area if a self-determination has been made that the PSL is non-jurisdictional or if proper USACE clearances have been obtained in jurisdictional areas or have been previously evaluated by the USACE as part of the permit review of this project. The Contractor is solely responsible for documenting any determinations that their activities do not affect a USACE permit area.

Maintain copies of their determinations for review by the Department or any regulatory agency.

1.006.a. Restricted Use of Materials for the Previously Evaluated Permit Areas

Document both the Project Specific Locations (PSL) and their authorization. Maintain copies for review by the Department or any regulatory agency. When an area within the project limits has been evaluated by the USACE as part of the permit process for this project:

a. Suitable excavation of required material in the areas shown on the plans and cross sections as specified in the Item, “Excavation” is used for permanent or temporary fill

(under the Item, “Embankment”) within a USACE permit area.

b. Suitable embankment (under the Item, “Embankment”) from within the USACE permit area is used as fill within a USACE evaluated area.

c. Unsuitable excavation or excess excavation, “Waste” (under the Item, “Excavation”), that

1.006.b. Contractor Materials from Areas Other than Previously Evaluated Areas

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Provide the Department with a copy of USACE coordination or approvals before initiating any activities for an area within the project limits that has not been evaluated by the USACE or for any off right of way locations used for the following, but not limited to, haul roads, equipment staging areas, borrow and disposal sites:

a. The Item, “Embankment” used for temporary or permanent fill within a USACE permit area.

b. Unsuitable excavation or excess excavation, “Waste” (under the Item, “Excavation”), that is disposed of outside a USACE evaluated area.

Do not store any material in waters of the United States inside the right of way without written approval.

Initial Items of Work

1. Gantries Inspection, Repair, Parts & Labor

1.1 Annual Inspections – Annual Inspection to include full inspection of gantries.

1.2 Sheaves - Sheave Assembly Replacement (18” diameter and 3” carrier bearing)

Contractor shall secure landing ramp and counterweight in place and remove sheave assembly per project specifications and drawings. Installation of any bolts shall be subsidiary to this Line Item. New steel members/parts shall be hot-dipped galvanized.

1.3 Hoists – Repair or Replace shackles, sheaves, trolley limit switches, load hooks and bearings, blocks, gears and casings, shaft and couplings, brakes, and thrust bearings.

1.4 Counterweights - Concrete Counterweight Block (10,500 lbs.) - Lifting Eyebolt

Repair – Provide and install temporary supports for the concrete counterweight block and landing ramp. Chip concrete around stub shafts to allow adequate room to weld the new eyelets/eyebolts in place. Remove the existing eyebolts and replace them with new eyebolts. Fill/replace the chipped concrete areas with epoxy grout.

Remove the temporary support. Full replacement must be same equivalent to existing blocks.

1.5 Counterweight Block Angle Tracking - Provide and install temporary support for the concrete counterweight block and landing ramp. Remove the existing concrete block angle guides and replace them with new ones per project specifications and drawings. The new angle guides shall be hot-dipped and galvanized. Adjacent members damaged during the replacement work shall also be repaired or replaced as necessary. Welds and bare surfaces on in-situ steel members shall be cold-galvanized.

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1.6 Wire Cable Replacement – Inspect wire rope, sockets, clamps, swivels, trunnions and connections for damage broken wire/strands and lubrication. Provide and install temporary support for the concrete counterweight block and landing ramp. Remove the existing lift steel cables and replace them with new steel cables. Cables are 90 feet in length, 7/8 inch diameter, and 6 x 19 wire rope galvanized.

1.7 Electrical and Lighting – Replace contacts, wiring, fuses, pendants, hoist controller and relays and all electrical components as needed. Repair or Replace Navigation

Lights Per Landing (Any Landing, Navigation Towers, or Work Dock) Navigation

Lights shall be in accordance with U.S. Coast Guard requirements.

1.8 Main Disconnect Switch - Inspect support and operating members for overheating and loose connections.

1.9 Guard Rail Replacement – Remove damaged guard rail sections and replace them with new ones per project drawings. HCTRA will take possession of all usable rails

Adjacent members damaged during the replacement work shall also be repaired or replaced as necessary. Welds and bare surfaces on in-situ steel members shall be cold galvanized. The installation of any bolts shall be in kind and subsidiary to this

Line Item.

1.10 Concrete Pad for Tower Repair - Remove damaged, cracked, spalled, and delaminated concrete sections, as well as damaged steel reinforcement. Expose and remove all corroded reinforcements with 10% or more section loss. Removed reinforcements shall be replaced in-kind and shall be subsidiary of this line item.

Exposed reinforcements with less than 10% section loss shall be left in place, cleaned, and coated with anti-corrosion coating. Clean all surfaces prior to placing concrete. Place new concrete and complete repairs per project specifications and drawings.

2. Dolphins and Wingwalls Inspection, Repair, Parts & Labor

2.1 Annual Inspections to include full inspection of dolphins and wingwalls

2.2 Dolphin Chain - Remove and replace

2.3 Donut Fender Full Replacement – Replace existing donut fenders (full Donut

Fender units) at the inner dolphin position or any work dock position with new DF-

5PL-9.170D-5.25FL-STD donut fenders or equivalent. Ferries/vessels shall make contact within the bottom 1/3 section of the new upper unit donut fender assembly.

Replace the existing lower unit donut fender at the inner dolphin, with a new flotation unit model# DF-5PL-9OD-5.5FL-LR. The steel core shall be coated with Thermal

Sprayed Aluminum (TSA) coating. The minimum thickness of the TSA coating shall be 14 mils DFT. Apply anti-fouling (sealant) coating on top of the exposed portion of the TSA coating. All work shall be completed per the project specifications and drawings. Full replacement shall also include the mooring ring assembly with (4) tie

7 | P a g e off locations and anodes. All items shall be provided and installed by the Contractor.

Ballast is included as per the drawings and specifications.

2.4 Donut Fender Upper Unit Replacement – Replace existing upper unit donut fender at the inner dolphin with new donut fender or equivalent. The minimum thickness of the TSA coating shall be 14 mils DFT. Apply anti-fouling (sealant) coating on top of the exposed portion of the TSA coating. Add ballast plates under the mooring ring per the project specifications and drawings. Installation of bolts shall be subsidiary to this Line Item. All work shall be completed per the project specifications and drawings.

2.5 Donut Fender Lower Unit Replacement – Replace existing lower foam filled flotation unit at the inner dolphin with a new foam filled flotation unit.

2.6 Donut Fender Removal, Clean, Inspect and Repair – Remove mooring ring assembly, if applicable, and place in a HCTRA-approved location. Remove donut fender assembly and place in a HCTRA-approved location. At the HCTRA-approved location, disconnect the chain assembly and composite plastic timbers from the donut fender flotation unit. Clean and inspect the flotation unit and bearings.

Replace broken bearings. Repair cracks on and/or penetrations through the metal portion of the donut fender. Reconnect/reinstall the chain assembly and plastic timbers. Waterblast the monopile to remove marine growth, then apply anti-fouling compound. Reinstall the donut fender assembly to the monopile. Reinstall the mooring ring assembly. Installation of any bolts shall be subsidiary to this Line Item.

2.7 Monopile Replacement – Remove donut fender assemblies (74”X1” Cap Plate

Donut 60”X7/8”) and mooring ring and bracket (if applicable), and place in a

HCTRA approved location. Remove the monopile. If the monopile cannot be removed, it can be cut beneath the mud line and slightly relocated with approval from HCTRA Representative or designee. Drive a new monopile at its designated location per the project specifications and drawings. Install a new steel cap plate on the monopile. Steel pipe caps shall be 1-inch-thick steel plate. New steel pile and cap plate shall be coated with Thermal Sprayed Aluminum (TSA) coating. TSA coating with a sealer (Carboline 893 or approved equal) shall be applied to the section of the steel pile. Reinstall the donut fender assemblies and mooring ring (if applicable).

Installation of any bolts shall be subsidiary to this Line Item.

2.8 Wing Wall Timbers – Replace existing composite plastic timber fender elements.

Installation of bolts shall be subsidiary to this Line Item. Bolt is 1 5/8” in diameter, stainless steel and each bolt shall have a stainless-steel split washer. Tighten, torch and weld tac or lock tight 271 to each bolt to secure.

2.9 Dolphin Repair – This Line Item covers repairs for the Dolphin fender system, which may include the steel pipe pile, steel fender pile, fender panel assembly and attachments, rubber fender, and support chains. (½ Cap Plate, 60” X 1” Steel pipe

Pile) and (36”X1/2” Cap Plate, 36”X3/4” Steel Pipe Pile) Steel pipe piles, on the

8 | P a g e other hand, shall be coated with Thermal Sprayed Aluminum (TSA) coating with special specification, “Marine Structures” Apply epoxy coating in accordance with special specifications. New steel members/parts, with the exception of steel piles, shall be hot- dipped galvanized. If safety is a concern, some of the repair work may take place in a location approved by the HCTRA designee or his/her representative.

3. Electric/Manual Hoists, Cables, and Sheaves Inspection, Repair, Parts & Labor

3.1 Annual Inspections - to include full inspection of hoists.

3.2 Replace Wire Cable replacement and/or repair

3.3 Electric Hoist repair and replacement – (5 Ton electric, 1 Ton) shackles, sheaves, trolley limit switches, load hooks and bearings, gears and casings, shaft and couplings, brakes and thrust bearings

3.4 Manual Hoist and Chain Replacement – (10 Ton)

3.5 Repair & Replace Upper and Lower Equalizer Sheaves

3.6 Wire Rope, Fastenings and Terminal Hardware

4. Gangways Inspection, Repair, Parts & Labor

4.1 Annual Inspections – to include full inspection of gangways

4.2 Electric Hoist – 1 Ton – Replacement or repair

4.3 Manual Hoist – 1500 lbs. – Replacement or repair

4.4 Chain Fall/Wire Cable Replacement - Replace the support bracket plates.

New support bracket plates, which shall be provided by the Contractor, shall be hot-dipped galvanized for corrosion control. Housing and lifting chains shall all be

Grade 316 stainless steel and match existing lengths of chain and travel. The contractor shall verify all measurements.

4.5 Install Shore Power on any Landing/Work Dock – Contractor will supply stainless steel Electrical Control Box to support 120/240-volt single phase shore power to Landing as outlined in the contract. All cabling from power source (power source to be determined by HCTRA) to Control Box at gangway. At this point

(determined by HCTRA), enough cable to reach shore power connection on vessel will be looped onto hanging bracket.

5. Ramps Inspection, Repair, Parts & Labor

5.1 Annual Inspections – to include full inspection of ramps

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5.2 Ramp Bearing Assembly replacement and/or repair

5.3 Ramp - 3” Steel Grates replacement or repair

5.4 Steel Beams Spring Box Concrete Foundation Replacement – Remove the landing ramp assembly, spring box assembly, and the outermost spring box steel base plates and store them in a HCTRA approved location. Removal and reinstallation of the spring box assembly, spring box steel base plates, and landing ramp are subsidiary to this Line Item.

5.5 Install Spring Box Anchor Bolts – Provide and install temporary supports for the concrete counterweight block (at both sides of the landing ramp). While fully supporting the landing ramp (i.e., by crane), remove the landing ramp hinge shaft.

Remove the landing ramp assembly and place it in a HCTRA approved location.

Remove the spring box assembly and place it in a HCTRA approved location.

Remove existing base plate anchor bolts and replace them with new ones per project specifications and drawings. Apply EAL-type grease (i.e., Panolin Bio grease EP 2 or equivalent) on the steel springs. Reposition the landing ramp assembly and reinstall a new hinge shaft. Apply EAL-type grease (i.e., Panolin Bio grease EP 2 or equivalent) on the new hinge shaft. Members damaged during the replacement work shall also be repaired or replaced as necessary. Remove the temporary support.

Installation of bolts, aside from the anchor bolts, shall be subsidiary to this Line

Item. With the exception of the hinge shaft and steel springs, which will be greased, clean and cold-galvanize welds and bare surfaces.

5.6 Repair Spring Coil and Spring Box Concrete Foundation Repair and replacement - Remove damaged, cracked, spalled, and delaminated concrete sections, as well as damaged steel reinforcement. Expose and remove all corroded reinforcements with 10% or more section loss. Removed reinforcements shall be replaced in-kind. Exposed reinforcements with less than 10% section loss shall be left in place, cleaned, and coated with anti-corrosion coating. Roughen exposed concrete surfaces to be repaired to ¼” amplitude. Clean all surfaces prior to placing concrete. Extend the area of concrete placement as necessary per the project drawings. Install additional reinforcements as necessary and splice them to existing ones accordingly. Maintain a 3” clear cover between reinforcement and the concrete surface. Place new concrete and complete repairs per project specifications and drawings.

5.7 Landing Grating and Passenger Walkway Diamond Plate Replacement - New diamond plates shall be hot-dipped galvanized and secured to grating, to lock into place for vehicle traffic. Welds and bare surfaces on steel members shall be cold galvanized. Contractor to confirm all sizes and orientation (left hand or right hand) prior to ordering.

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6. Bulkhead Inspection, Repair, Parts & Labor

6.1 Annual Inspection- Annual Inspection to include full inspection of bulkhead

6.2 Concrete structural repair or replacement

6.3 Rip-Rap replacement

6.4 Diving Services for underwater inspections and repairs

Miscellaneous Items

Item 2.001: Welding and Fitting

Provide miscellaneous fitting and welding, including any equipment and various incidentals necessary to perform this work, as directed by the HCTRA or HCTRA designee.

• This item includes, but is not limited to the following:

• Burning.

• Gouging.

• Fitting, etc.

• Welding any and all type’s alloys, ferrous and nonferrous metals.

• Weld cracks, pitting "clad weld", seams, etc. discovered after blasting and cleaning in accordance with ABS and USCG rules and procedures.

• Obtain approval from the HCTRA or HCTRA designee prior to work starting.

• Not to be used in conjunction with other items of work.

Item 2.002: Machine Shop Work

Provide miscellaneous machine shop work, including any equipment and various designee.

• Provide any and all types of machine work and repairs that are normally performed by a machine shop such as the following:

• General machining.

• Rebuilding, straightening and machining.

• Fabrication and machining.

• Bearing repair or replacement.

Item 2.003: Pipe Fitters

Provide miscellaneous work by pipe fitters, including any equipment and various designee.

• This item includes, but is not limited to the following:

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• Measuring pipe.

• Removing pipe.

• Threading pipe.

• Cutting pipe.

• Installing pipe.

• Fitting pipe.

Item 2.004: Electricians

Provide miscellaneous electrical work, including any equipment and various incidentals necessary to perform this work, as directed by HCTRA or HCTRA designee. This item shall include but is not limited to the following:

• Installing electrical fixtures.

• Removing old wiring.

• Running new wiring.

• Disconnecting electrical equipment.

• Connecting electrical equipment.

• Taking electrical readings.

• Not to be used in conjunction with other items of work that require machine shop work.

Item 2.005: Overhead Crane

• Provide an overhead crane or crane barge with operator, including any equipment and various incidentals necessary to perform this work, to assist in loading or unloading materials and supplies from the ferry and moving materials from place to place as directed by HCTRA or HCTRA designee.

• This item will be used when the County needs a crane to assist them in completing their repairs.

Item 2.006: Painting for misc. items

• Painting items shall include but not limited to paint, thinner and tools equipment and personnel to paint items to the satisfaction of HCTRA or HCTRA designee on sight.

All paint and coating products used must be lead free.

Measurement.

An item will be considered complete only when all of the required materials and equipment have been installed and tested as per the specification and approved by HCTRA or HCTRA designee. Hourly items are intended to cover the cost of work that was not anticipated when the contract was prepared. The quantity of hours is an estimate of the hours for each applicable item and does not represent a minimum or maximum total of the hours that may be required.

Report man hours accrued on any hourly bid item no later than one business day following the day the work was performed.

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Environmental Safety. Upon encountering any previously unknown potentially hazardous material, or other materials potentially contaminated by hazardous material, Contractor shall immediately stop work activities impacted by the discovery, secure the affected area, and notify the OR, DR and A/E immediately. The Contractor shall bind all Subcontractors to the same duty.

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