Attachment 0001 IFR Scope of Work 06 February 2025.pdf

STATEMENT OF WORK

Indoor Firing Range, OPM-SANG

PROJECT NUMBER: 24

DATE: 2/06/2025

1. GENERAL INFORMATION

1.1 CUSTOMER

Office of Program Management – Saudi Arabia National Guard (OPM-SANG)

1.2 PROJECT OBJECTIVES

1.2.1 Indoor Firing Range (IFR), Site 2C:

Necessary for OPM-SANG training and efficiency of military personnel. Facility is a site-adapt construction project of which approximately 65% of work has been completed and 35% of the scheduled work remaining. The Contractor shall perform all work mentioned in this Statement of Work (SOW). Building has been left incomplete from last contractor with complications in Structural, Electrical, Plumbing and HVAC. Contractor shall bring the building to a fully functional Indoor Firing Range (IFR) facility.

1.2.2 Location:

The project site is located at Khashm Al Aan, Riyadh, Kingdom of Saudi Arabia (KSA).

1.3 WORK HOURS

Regular work shall be performed Sunday through Thursday. Work hours within the IFR shall be between 0700 and 1600 hours, meeting local standards. Work during KSA and US holidays is not allowed. Activities requiring formal inspection cannot be scheduled during KSA and US holidays. Contractor may submit a waiver request to the Contracting Officer (KO) requesting temporary approval to work beyond regular working hours. The waiver request shall be submitted in writing at least seven (7) calendar days in advance of the proposed work. Contractor shall ensure that work conducted outside of regular working hours is still open/exposed such that the Government can inspect work during regular working hours. Approval of the waiver will only be provided if the work is deemed necessary and found to be in the best interest of the Government. The Contractor shall proceed to schedule work during these periods only after receiving written approval from the KO.

1.4 PERIOD OF PERFORMANCE

All work (design and construction) must be completed, and the facility ready for occupancy, no later than two h`undred and fourth days (240) calendar days after the Notice to Proceed (NTP) is issued.

2. SCOPE OF WORK

The work herein includes the furnishing of remaining materials and equipment, testing of previously installed equipment for performance output and performing all labor for the work indicated per statement of work listed below. Any deviation from the manufacturer installation requirements must be approved prior to construction. Any current deviations from manufacturer installation requirements shall be noted, presented to the COR who with the KO will determine if it needs to be altered. Contractor shall field verify all quantities.

2.1 PRE-CONSTRUCTION SUBMITTALS

All pre-construction submittals must be submitted and approved by the COR prior to any construction beginning on site. After the NTP is given, contractors must present all pre-construction submittals within 30 days.

2.1.1 Safety Plan

The plan must adhere to the Occupational Safety and Health Administration (OSHA) standards, specifically 29 CFR 1926, which outlines Safety and Health Regulations for Construction, and 29 CFR 1910, Occupational Safety and Health Standards. Additionally, the safety procedure plan needs to adhere to EM 385-1-1 (USACE) standards. These regulations mandate comprehensive measures to safeguard the health and safety of workers at the construction site. Plan should adhere to the National Fire Protection Association (NFPA) standards, including NFPA 70E. Contractor is responsible for all pest control during construction. A Safety Plan must be presented and approved by the Contract Officer Representative (COR) prior to commencement of work.

2.1.2 Temporary Structures and Environmental Plan

The erection and use of temporary structures, such as scaffolding, boardings, and temporary buildings, must comply with OSHA regulations, particularly 29 CFR 1926 Subpart L. These regulations ensure that temporary structures are constructed and maintained safely. Additionally, compliance with the 2018 International Building Code (IBC) Version: Nov 2021 and Saudi building Codes (SBC) is required to ensure structural integrity and safety. Activities must comply with Environmental Protection Agency (EPA) regulations outlined in 40 CFR. This ensures that temporary construction activities do not adversely impact air, water, or soil quality.

The handling and disposal of construction waste must comply with OSHA's standards, specifically 29 CFR 1926.252, which addresses Disposal of Waste Materials. A Temporary Structure and Environmental Plan must be presented and approved by the Contract Officer Representative (COR) prior to any work commencing. Any new construction activities that require temporary structures, like scaffolding, generators or other potentially polluting activities must have a plan created, submitted and approved by the COR prior to that construction activity beginning.

2.1.3 Site Layout Plan

The Site Layout Plan must adhere to OSHA standards, specifically 29 CFR 1926, which covers Safety and Health Regulations for Construction. This includes regulations for safe access and egress, material storage, and site organization to prevent accidents and ensure worker safety. The layout must include designated access routes for emergency vehicles, in accordance with the International Fire Code (IFC) and local requirements. The layout must also include material disposal locations, locations of temporary potable water for workers, shaded rest areas, temporary bathrooms adequate for the number of workers on site and first aid station. The Site Layout Plan must be presented and approved by the COR prior to any construction or mobilization efforts occurring.

2.1.4 Quality Control Plan (QCP)

Contractor will provide a Quality Control Plan (QCP) to the approval of the COR prior to any construction activities commencing. QCP must contain and adhere to the following.

- Construction Material Testing: Materials that will be installed on the site will be tested and adhere to IBC 2018 codes, and any additional standards stated in the SOW.

An accredited independent material tester must confirm that all the materials used are adhering to the material requirements laid out in the regulations provided.

Submittals of these testing and materials shall be provided and approved by the COR prior to material installation.

- Inspection and Testing Plans: The Contractor shall adhere to the Inspection and Testing Plans as outlined in the IBC including but not limited to IBC Appendix K and IBC Chapter 17 and the relevant sections of the SOW. The Contractor is responsible for providing comprehensive documentation of all installed materials.

Additionally, the Contractor must allow the COR to inspect these materials and work done prior to proceeding with further work or covering the installed areas. All mechanical and electrical systems must be tested and signed off on by a 3rd party independent licensed engineer before any remedial actions are undertaken.

Following remediation, these systems must be re-tested, and the results submitted to the COR for review and approval. At least a 48-business hour notice must be given to the COR prior to inspection.

- Non-Conformance Management: The Contractor shall implement a Non- Conformance Management process to identify, document, and address any deviations from project specifications and quality standards. Upon detection of a non-conformance, the Contractor must immediately report the issue to the COR and document it in a Non-Conformance Report (NCR). The Contractor is required to develop and implement corrective actions to resolve the non-conformance and prevent its recurrence. All corrective actions must be approved by the COR prior to implementation. Additionally, a follow-up inspection shall be conducted to ensure compliance with the project specifications and quality standards. All records related to non-conformance, including corrective actions and verification of compliance, must be maintained and made available for review by the COR.

The Quality Control Plan must be presented and approved by the COR prior to any construction or mobilization efforts occurring.

2.1.5 Communication Management

The Contractor shall establish and maintain an effective Communication Management plan to ensure clear and timely exchange of information among all project stakeholders. The Contractor is responsible for facilitating regular weekly meetings and updates with the Contracting Officer's Representative (COR) to discuss project progress, address any issues, and make necessary adjustments to the project plan. All communications should be documented and distributed to relevant parties. Additionally, the Contractor shall provide written reports summarizing project status, risks, and key decisions to the COR on a weekly basis or as requested by the COR. The Communication Management Plan must be presented and approved by the COR prior to any construction or mobilization efforts occurring.

2.1.6 Submittal Plans

Prior to the start of construction, contractor must provide a plan to the COR that details the items they plan to purchase and install with manufacturer submittals, notify the COR of any expected lead times longer than 2 weeks, and provide a detailed plan for Water, Fire Sprinkler System, Heating Ventilation and Air Conditioning (HVAC), Electrical and Foundational work planned to be done. COR approval is needed prior to any work commencing on the systems mentioned.

2.1.7 Inspection Plans

The Contractor shall submit a comprehensive Testing and Inspection Plan to the Contracting Officer's Representative (COR) for review and approval prior to the commencement of any construction activities. Approval of this plan is mandatory before any construction work begins.

The contractor must adhere to the attached Quality Assurance Surveillance Plan (QASP) and add any additional inspections they believe may come up.

Inspection Requirements:

- Pre-Cover Inspections: The Contractor is required to conduct inspections of all installed materials before they are concealed or otherwise become inaccessible.

These inspections must verify that all installations meet the required standards and specifications. Any potable and sanitary water line installation must be approved by COR prior to concealment.

- Approval Process: The Contractor shall not proceed with subsequent phases of construction without obtaining written approval from the COR following each inspection. This includes any work along the designated construction path.

- Inspection Plan: The Inspection plan must include detailed outline broken down by CLIN (Contract Line-Item Number). Please see attached inspection plan for required inspection and approvals.

The Contractor must provide the COR with a minimum of 48 hours' notice prior to the required inspections. This notice period is essential to allow the COR sufficient time to schedule and perform the necessary inspections without causing delays to the construction timeline.

Failure to adhere to the approved Inspection and Testing Plan, or to obtain the required approvals from the COR, may result in work stoppages, rework, or other contractual remedies as deemed appropriate by the Government. The Contractor is responsible for maintaining thorough documentation of all inspections and approvals as part of the project records.

2.1.8 Mobilization Plan

Mobilization for the project site shall be complete within 30 days following the issuance of the Notice to Proceed (NTP). Prior to the NTP, the contractor must present the Mobilization Plan which shall include the Temporary Structures Plan, Safety Plan, Environmental Plan, Storm Water Pollution Prevention Plan (SWPPP), and the Site Layout Plan. Additionally, the plan must provide a detailed list of all personnel who will be present on-site, along with the required documentation necessary to secure access for laborers to the Khashm Al Aan (KAA) facility.

2.2 CIVIL WORKS

This section details the civil construction activities required to remediate site drainage, construct durable pavement systems, and ensure the integrity of water and sewer infrastructure. All work shall be executed in compliance with the International Building Code (IBC), relevant sections of the American Society of Civil Engineers (ASCE) 7, and the applicable Saudi Building Code (SBC) and Saudi Standards Organization (SASO) guidelines.

2.2.1 Site Grading

Objective:

Remediate the existing parking area and adjacent grounds to ensure proper stormwater runoff, prevent water pooling, and mitigate erosion near the foundation and outdoor electrical transformer. All grading activities must result in a finished grade that provides effective possitive drainage for a 20-year rainfall event.

Required Actions:

• Topographic Survey:

o Perform a comprehensive topographic survey to verify existing grade elevations and ground conditions.

o Submit the survey documentation for COR review and approval before initiating any earthwork.

• Grading Design and Implementation:

o Establish a continuous 2% slope from the building foundation outward to the perimeter fence and sewer connection points.

o Ensure that the finished grade adjacent to all facilities is at least 150 mm below the finished floor elevation and slopes away from the building.

o Extend the slope to encompass the outdoor electrical transformer foundation, preventing erosion.

o Incorporate measures to eliminate existing water pooling areas.

o Apply bituminous damp proofing to all concrete surfaces in direct contact with the soil.

• Soil Compaction:

o Recompact all fill and graded areas to achieve a minimum of 95% relative compaction.

o Conduct laboratory compaction tests in accordance with ASTM D1557 (Modified Proctor Compaction Test), and verify field density using ASTM D1556 or an equivalent method.

o Submit soils compaction test reports and the topographic survey as part of the required submittals.

• Standards and Compliance:

o All work shall adhere to IBC Chapter 18 and Appendix J, as well as ASCE 7 for load and structural requirements.

o Remediation efforts must also comply with the latest Saudi Building Code

(SBC) and SASO specifications.

• Performance Criteria:

o The graded site must ensure that no facilities or roadways are subject to flooding under a 20-year rainfall event.

2.2.2 Storm Drainage

Design and implement a storm drainage system that effectively channels stormwater away from the building and surrounding infrastructure, preventing water accumulation and related erosion.

Required Actions:

• Drainage System Design:

o Develop a detailed storm drainage plan that outlines the location, design, and capacity of all drainage components.

o Ensure the drainage system integrates with the site grading to facilitate efficient water flow away from the structure.

• Implementation:

o Install or modify storm drainage structures (e.g., catch basins, swales, and storm drains) in accordance with the approved design.

o Coordinate storm drainage improvements with other site grading and pavement activities.

• Standards and Compliance:

o All drainage designs and installations must conform to the Saudi Building Code

(SBC) and local environmental regulations.

o Provide design calculations and hydraulic analysis as part of the submittal package.

2.2.3 Pavement

Construct a durable, high-quality vehicular asphalt pavement between the concrete curbing and the facility, ensuring proper drainage and compliance with specified standards for both structural performance and roadway safety.

Required Actions:

• Pre-Construction Requirements:

o Prepare asphalt paving shop drawings and schedule a preparatory meeting with the Contracting Officer (CO) and COR for review and approval prior to commencing work.

o Confirm that the 2% site slope for water runoff has been established before pavement construction begins.

• Pavement Construction:

o Construct the asphalt pavement to the required depth as per IBC Chapter 18.

o Entire site footprint from the drainage to the existing structure must be asphalted o For designated areas such as parking, parade fields, and training fields, ensure that:

A 70 mm thick bituminous wearing course (Class C with a prime coat) is installed.

A 200 mm thick granular base course with a California Bearing Ratio (CBR) value greater than 80 and compacted to 100% of the specified density is provided per UFC 3-260-01.

A 300 mm thick sub-grade with a CBR value greater than 15 and compacted to a minimum of 95% density is in place.

o Replace any damaged concrete sidewalks or curbs as necessary.

• Materials and Testing:

o Utilize asphalt that meets the American Association of State Highway and Transportation Officials (AASHTO) M323 standards and ASTM D3515 for hot-mixed asphalt.

o Submit samples and testing reports for slope verification and asphalt thickness testing as part of the project submittals.

• Pavement Markings and Signage:

o Install pavement markings and roadside signage in accordance with Manual of

Unified Traffic Devices (MUTCD), KSA standards, and project-specific guidelines.

o Pavement markings should include heavy-duty aluminum cat eyes, manufactured from Aluminum Alloy LM6 or LM24, with prismatic high-intensity reflectors that conform to ASTM D4280-83.

o Markings for road edges and center lanes must use yellow and white colors as specified, with additional roadside lane markings at 800 mm intervals (yellow for glass components) as applicable.

o Provide a detailed layout of all signage locations, ensuring compliance with MUTCD and KSA requirements.

• Standards and Compliance:

o All pavement work shall comply with IBC Chapter 18, AASHTO M323, and

ASTM D3515.

2.2.4 Water and Sewer

Inspect, remediate, and upgrade existing water and sewer systems to ensure proper functionality, compliance with design plans, and prevention of environmental contamination.

Required Actions:

• Inspection and Cleaning:

o Clean out all manholes and inspect water and sewer lines for obstructions such as debris and vegetation.

o Identify and document any discrepancies between existing conditions and previous construction plans.

o Cover all open manholes and environmental openings to prevent further contamination or animal intrusion until permanent covers (windows or louvers) are installed.

• Testing and Verification:

o Conduct comprehensive testing of water and sewer systems, including:

A construction overlay that compares as-built conditions with planned layouts.

Seepage tests to ensure that no water infiltration occurs in the installed systems.

o Verify water connection seals to ensure proper bonding as required by IBC Chapter 29.

o For the sewer system, establish a connection to the municipal system, verified by a licensed third-party engineer, and perform a flow test to confirm that the slope and system capacity are adequate.

o Map underground water and sewage lines. Submit the results and mapping documentation to the COR for review prior to any construction work on water or sewer systems.

• Materials and Compliance:

o Ensure that all installed water and sewer materials comply with IBC Chapter 29.

o Provide all necessary submittals, including test reports and as-built overlays, for review and approval by the Contracting Officer’s Representative (COR).

2.3 STRUCTURAL WORKS

The Contractor shall remediate existing structural deficiencies, restore the integrity of the building envelope and foundation, and implement stabilization and load enhancement measures to ensure that the structure safely supports the proposed loads—including the roof, HVAC systems, and any additional permanent equipment—in accordance with all applicable industry standards and Saudi building codes.

2.3.1 Exterior Work

Scope & Observed Conditions:

• Significant water ponding along load-bearing exterior walls.

• Differential settlement and foundation rotation manifesting as interior masonry cracks.

• Multiple roof cracks along the plant room perimeter and evidence of a floating slab with unknown foundation details.

Required Actions:

• Perimeter Remediation & Slope Correction:

o Scarify the facility perimeter and backfill with engineered fill to establish a continuous 2% slope away from the building.

o Ensure all backfill is compacted to a minimum of 95% relative density using field tests per ASTM D1557.

o Modify and extend existing roof storm gutters to prevent water accumulation and channel runoff away from the structure. Ensure that downspots are pointed away from the structure o Install a permanent ladder for roof access in a COR-approved location.

o Repair or replace any damaged exterior siding.

• Foundation & Roof System Remediation:

o Engage a licensed third-party structural engineer to perform comprehensive testing (including foundation, slab, and load-bearing wall evaluations) and soil bearing capacity tests in accordance with ASTM D1194.

o Develop and implement a remediation plan that includes:

Excavating and backfilling ponded or eroded areas adjacent to the foundation in compacted lifts.

Filling voids or openings using appropriate materials (e.g., engineered soil fill or polyurethane foam) to mitigate further settlement.

Underpinning or reinforcing any portions of the foundation that are scoured or cracked.

Repairing roof cracks using approved cementitious repair mortars and bonding agents.

o For the roofing system:

Conduct a leak test; remove and replace damaged sections with a system incorporating a 50 mm gravel layer, separation sheet, 50 mm rigid thermal insulation, a two-layer waterproofing membrane, and, where required, precast concrete tiles (each 4 mm thick, sized 400 × 400 × 40 mm).

Provide a minimum 50 mm concrete screed to form proper drainage slopes and cant strips, along with appropriate metal flashings and sealants.

o Incorporate additional loads from mechanical, electrical, and ceiling systems into all structural designs per ACI 318 (latest edition) and seismic design per ANSI/ASCE 7-93 (basic wind speed: 128 km/hr [80 mph], Exposure Category C).

• Documentation & Approval:

o Submit all testing plans, remediation design drawings, and detailed engineering calculations to the COR for review.

o Provide a cost proposal for any additional work required based on the remediation plan.

2.3.2 Interior Work

• Multiple interior cracks in hallways, kitchens, bathrooms, and offices, with indications of settlement.

• Unbraced Concrete Masonry Unit (CMU) walls and deficiencies in the moment frame.

• A deteriorated slab with signs of cracking and sinkage.

• Misaligned entrance doors lacking weatherstripping, allowing water ingress.

Required Actions:

• Finish Remediation & Crack Repair:

o Remove and replace all cracked finishes; perform epoxy injections in affected areas to stabilize and seal cracks.

o Excavate representative cracks to determine whether they are cosmetic

(stucco/plaster) or structural in nature.

o Reapply stucco or plaster to interior walls in accordance with IBC requirements, ensuring proper sealing of all openings.

• Structural Bracing & Load Enhancements:

o Evaluate all interior CMU walls to identify participating elements in the moment frame; install necessary bracing to secure unbraced CMU units.

o Upgrade the CMU wall at the west end of the firing range—ensuring it ties into the main building structure—and enhance it with soundproofing and ballistic resistance in compliance with UFC 4-179-02.

o Provide updated load calculations and foundation plans to verify that all additional loads (including those from HVAC systems) are adequately supported.

• Slab & Flooring Remediation:

o Remove all floor tiles and conduct a thorough inspection of the slab for cracks, sinkage, and settlement.

o Develop a remediation plan for the slab that may include leveling, epoxy crack filling, and underpinning if structural deficiencies are identified.

o Conduct water penetration tests per ASTM E2128 before and after remediation;

submit all test results to the COR.

o Following remediation, apply an epoxy floor coating and install new floor tiles per the project specifications.

• Door & Ancillary Component Upgrades:

o Correct door alignment and install proper hardware and weatherstripping to prevent water intrusion.

o Install new doors on the north side for the ammunition storage room to meet UFC standards, and upgrade the room with a secure ammunition cage, mini-split air conditioner, and necessary habitable features, along with appropriate signage per SANG requirements.

o Inspect and remediate ceilings using epoxy or approved repair methods and ensure that all wall penetrations are properly patched.

o Evaluate and, if necessary, upgrade bullet-resistant backing and install a bullet trap cleanout system, along with bullet proofing for the designated door.

o Modify the range ceiling by raising it 1 meter and extending the roofing to fully cover the range; install self-healing rubber curtains suspended from the ceiling following COR-approved submittals.

• Documentation & Quality Assurance:

o All interior remediation work shall be performed or overseen by a licensed structural engineer.

o Complete documentation of visual inspections, water penetration tests, and remedial measures must be submitted to the COR for approval.

2.3.3 Stabilization and Load Enhancement

Implement measures to stabilize the structure and enhance its load-bearing capacity so that it can safely support the roof, HVAC systems, and any additional permanent loads, in full compliance with the Saudi Building Code and industry standards.

A. Foundation Stabilization and Soil Compaction

• Grout Injection and Soil Stabilization:

o Procedure:

Perform grout injections beneath the building to improve the underlying soil properties. The grout mix design shall comply with ACI 212.1R-16 (Guide for Grout Mixes for Structural Purposes) and be tailored to site-specific geotechnical conditions.

o Compaction Requirements:

Ensure that, post-injection, the soil achieves a minimum of 95% relative compaction as verified by field tests.

Recompact the surrounding site to meet the same 95% compaction rate.

o Testing and Verification:

Conduct laboratory compaction tests in accordance with ASTM D1557, and verify field density using ASTM D1556 or equivalent methods.

o Compliance:

All soil stabilization work shall conform to the latest Saudi Building Code (SBC) and any specifications provided by the Saudi Standards Organization (SASO).

B. Front CMU Structural Enhancement

Remedial Options for Structural Enhancement – Front Section

Overview:

The Contractor shall develop and submit a comprehensive Remediation Plan for the front section of the building addressing all identified structural deficiencies. This plan must include detailed remedial options, complete engineering calculations, and revised design drawings, along with a comparative analysis of the proposed approaches. The plan must be reviewed and signed off by a licensed structural engineer and submitted to the Contracting Officer’s Representative (COR) for approval prior to commencing any remedial work.

Plan Submission Requirements:

The complete Remediation Plan must be compiled as a professional technical document and include the following sections:

• General Project Overview:

o Description of Existing Conditions:

Provide a clear narrative of the observed structural deficiencies, performance issues, and any related challenges in the front section of the building.

o Remedial Objectives:

Clearly state the intended outcomes of the proposed remediation, including restoring structural stability and enhancing load-bearing capacity.

• Detailed Remedial Options:

Option 1 – FRP Wrapping:

o Methodology:

Outline the process to wrap the existing C5, C2, and C3 columns with

Fiber-Reinforced Polymer (FRP) systems to enhance their load-carrying capacity.

Detail the procedures for surface preparation, application, curing, and quality control.

o Standards Compliance:

Ensure that all FRP work is executed in accordance with ACI 440.2R-17

(Guide for the Design and Construction of Externally Bonded FRP Systems for Strengthening Concrete Structures).

o Engineering Calculations:

Include detailed structural calculations that demonstrate the increased load-carrying capacity post-FRP application.

o Revised Design Drawings:

Submit updated drawings showing FRP wrapping details, dimensions, reinforcement layout, and connection details.

Option 2 – Redesign of the Front East CMU Structure:

o Methodology:

Describe the approach to redesign the front east Concrete Masonry Unit (CMU) structure to ensure that its columns, beams, and connections can safely support both dead and live loads, including additional HVAC weight.

o Standards Compliance:

The redesign must adhere to ASTM C90 (Standard Specification for

Loadbearing Concrete Masonry Units) for masonry elements and ACI 318 (Building Code Requirements for Structural Concrete) for concrete components, as well as comply with applicable provisions of the Saudi Building Code (SBC).

o Engineering Calculations:

Provide comprehensive calculations signed by a licensed structural engineer to validate the redesigned structure’s load-bearing capacity.

o Revised Design Drawings:

Include drawings that clearly depict the modifications to the CMU structure, with emphasis on changes to columns, beams, and connection details.

• Comparative Analysis:

o Present a side-by-side comparison of Option 1 and Option 2, including:

Advantages and Limitations:

Evaluate the benefits and potential drawbacks of each remedial approach.

Cost Implications:

Provide an estimated cost analysis for each option.

Timelines:

Outline the expected timelines for the execution of each option.

Recommendations:

Offer recommendations based on performance, safety, and long-term sustainability.

• Engineering Sign-Off:

o Include a section for a licensed structural engineer to certify that all engineering calculations, design drawings, and proposed methodologies meet applicable standards and are technically sound.

o The sign-off must include the engineer’s credentials and a date of certification.

• Plan Format and Submission:

o Document Format:

The Remediation Plan must be organized as a complete technical document, including an executive summary, detailed technical sections for each remedial option, and a final comparative analysis.

o Supporting Documentation:

Attach all supporting documentation such as calculation spreadsheets, CAD drawings, and narrative explanations, clearly labeled and organized.

o Submission and Approval:

The final document shall be submitted to the COR for review and must receive written approval prior to the commencement of any remedial work in the front section. COR is allowed 10 business days to work through presented plan.

• Documentation and Approval:

o Prior to commencing stabilization work, the Contractor must submit:

Detailed engineering calculations and design drawings outlining the proposed grout injection, soil decompaction, and structural enhancement measures.

Verification test reports for soil compaction and grouting in accordance with ASTM D698/D1557 and ASTM D1556.

A comparative analysis of the remedial options for the front CMU structure (FRP wrapping versus redesign), supported by calculations based on ACI 440.2R-17, ACI 318, and ASCE 7-16.

o Proposed 50% structural remediation plan must be presented to the COR. 10 business days must be allowed for COR review and if approved, contractor must present 100% structural remediation plan in which all calculations and plans are signed off and stamped by a licensed engineer.

2.4 PLUMBING

2.4.1 Plumbing Fixtures

Objective:

Ensure that the building’s water distribution system is fully functional, providing the required flow and pressure to all fixtures, while verifying that all components meet IBC Chapter 29 requirements and relevant industry standards.

Required Actions:

• System Inspection and Testing:

o Inspect and disinfect the entire water system to verify that all areas meet the required flow and pressure specifications.

o Flush all water pipes to remove any buildup and sediment.

o Verify water lines located beneath the foundation before proceeding with further construction activities.

o Vacuum and scope all drains to ensure there are no restrictions or obstructions.

• Inspection Plan Submittal:

o Develop a detailed inspection plan that includes:

Closed-Circuit Television (CCTV) inspections of the plumbing pipes.

Seepage tests to verify that there are no leaks.

Verification that all installed materials conform to IBC Chapter 29 requirements.

o Submit this inspection plan to the COR for review and approval prior to the start of any plumbing work.

• Fixture Replacement Planning:

o Prepare a detailed plan indicating which plumbing fixtures (e.g., faucets, valves, or other devices) need replacement or upgrades.

o Submit this plan to the COR for approval before executing any fixture replacement work.

• City Water Connection Verification:

o Coordinate with a licensed third-party engineer to test the connection to the city water line.

o Document and submit evidence demonstrating that the connection provides adequate water pressure and proper metering.

o If the existing connection is inadequate, develop a municipal water plan and submit it to the COR for approval.

• Permitting and Compliance:

o Obtain all necessary permits for connecting the building to the municipal water system.

o Ensure that all materials and installations adhere strictly to IBC Chapter 29.

• Air Pressure Testing:

o Conduct air pressure tests in accordance with ASTM E1105 (Standard Test

Method for Field Determination of Water Penetration).

o Submit the test results to the COR and secure approval before finalizing this phase of work.

2.4.2 Water Heaters

Replace non-functional water heaters to ensure reliable production of hot water throughout the facility.

Required Actions:

• Assessment and Replacement:

o Verify that the existing wall-mounted water heater does not function adequately.

o Replace all water heaters with new units that meet performance specifications and local code requirements.

• Testing and Verification:

o After installation, test each water heater to confirm that they produce hot water at the required temperatures.

o Document the test results and submit them to the COR for approval.

2.5 HVAC

The Contractor shall design, install, test, and commission a complete HVAC system that meets the project requirements for performance, efficiency, and safety. All work must adhere to UFC 4-179-02, UFC 4-010-06, ASHRAE standards (including ASHRAE 111, 70, 41, and 52.2), ASTM E1554, AHRI 210/240, AMCA 99, and any applicable local or Saudi codes.

Comprehensive post-installation testing and documentation are required for COR approval.

2.5.1 Packaged Units

Scope and Requirements:

• Existing System Assessment:

o The original design specifies four packaged units (Zamil Air Conditioners;

Model: PTX140; Power Supply: 380/400 V) on the roof, each delivering 100% fresh air at 25,700 CFM. Current site conditions show only three units.

o The Contractor shall verify that the three existing units provide airflow and cooling capacity equivalent to the design specification. Verification shall include manufacturer or licensed third-party inspection, with written certification that all systems and safety features are operational.

• Installation and Upgrades:

o Supply and install new supply ductwork and interior radial diffusers in accordance with the approved drawings.

o Replace interior filters affected by debris buildup.

o Ensure that air supply distribution plenums are configured as either perforated walls or radial diffusers located a minimum of 10 feet (preferably 15 feet) behind the firing line.

o If required, upgrade to digital control systems using PLCs for interlocks and controls. Existing analog systems may be retrofitted economically if they support the required functions.

• Testing and Documentation:

o Prior to work commencement, conduct comprehensive airflow studies to confirm that the design meets UFC 4-179-02 and UFC 4-010-06 requirements.

o Perform airflow, leakage, and noise tests in accordance with ASHRAE 111, ASTM E1554, and ASHRAE 70.

o Humidity and temperature measurements shall be conducted daily for 30 days following system activation, in compliance with ASHRAE 41.

o All test results and the detailed HVAC plan must be submitted to and approved by the COR.

• Third-Party Verification:

o A licensed third-party inspection company shall validate the operability of the

HVAC units.

o Manufacturer certification is required for the existing packaged units.

2.5.2 Ductless Mini-Splits

• Existing System Assessment:

o Model: Classic; KRC24CDMHJOW2; Max Input: 2.3/kW/10A; 230 V, 1-phase, 60 Hz.

o Out of six units, five are mounted but lack proper electrical hookups.

o A licensed technician must verify that the refrigerant lines are fully charged, and that all safety features are functional. Exposed wiring shall be inspected and replaced if necessary.

• Installation of Additional Units:

o Install additional ductless mini-splits in any areas designated for occupancy or storage.

o All new units must comply with AHRI 210/240, and manufacturer submittals must be provided for COR approval prior to installation.

• Testing and Documentation:

o Develop and submit a testing plan to demonstrate that all ductless mini-split units (existing and new) are in good working order.

o Obtain COR approval if the current units are to be retained.

2.5.3 Exhaust Fans

• System Requirements:

o Install exhaust fans to maintain proper ventilation and negative pressure, ensuring that exhaust systems deliver 7–10% more air than is supplied and maintain a minimum negative pressure of 0.03 inches H₂O.

• Installation Details:

o Install Centrifugal Down-Blast Exhaust Fans designed for roof-mount applications.

o Fans must feature spun aluminum housings and fabricated aluminum propellers, with airflow ratings from 250 to 6,000 CFM and up to 1 in. WC static pressure.

o The outside air inlet shall be at least 15 feet from the outdoor range exhaust, and the exhaust must be at least 15 feet from public access areas.

• Testing and Documentation:

o Develop an airflow plan that includes both exhaust and AC loads. This plan must be prepared by a licensed third-party engineer and submitted for COR approval prior to construction.

o Conduct airflow tests to verify that the installed fans meet UFC 4-179-02 and UFC 4-010-06 requirements.

o Ensure that exhaust air concentrations meet EPA ambient air criteria for lead (maximum 1.5 µg/m³).

2.5.4 Filters

• Installation:

o Install high-efficiency particulate absorbing (HEPA) filters in the frontal range area (25 units, each rated at 3,875 CFM) to filter weapon exhaust during live fire exercises.

o Install exhaust filters at the rear of the range (6 units; EF-6, dimensions 840x840;

1,700 CFM) to support air circulation.

o These filters shall be integrated with a minimum of three A/C units located on the roof in the proposed plant room.

o Ensure that supply air is pre-filtered before conditioning, and that exhaust air undergoes pre-filtration followed by final filtration using HEPA filters.

Acceptable configurations include two-stage filtration (pleated filter followed by HEPA) for clean trap systems, or three-stage filtration (pleated, bag/cartridge, and HEPA) for alternative setups.

• Testing and Documentation:

o Conduct filtration testing in accordance with ASHRAE 52.2, UFC 4-179-02, UFC 4-010-06, and IEST-RP-CC001.

o Submit a detailed test plan to the COR and provide all test results for approval.

o Replace all filters with units meeting the material requirements outlined in

ASHRAE 52.

2.6 ELECTRICAL

The Contractor shall inspect, maintain, upgrade, and test the entire electrical system at KAA’s Indoor Firing Range to ensure full compliance with IBC Chapter 27 and related standards. All work shall be coordinated with other disciplines and verified by a licensed third-party engineer.

2.6.1 General Overview

• Scope:

o Inspect, maintain, and upgrade the electrical system, including continuity, insulation, and load testing.

o Map existing electrical conduits using ground radar testing.

• Pre-Work Testing:

o A licensed third-party engineer must perform continuity, insulation, and load testing on the entire system prior to commencing any electrical work.

2.6.2 Cleanup and Inspection

• Site Cleanup:

o Perform a comprehensive cleanup of all electrical equipment, removing debris, dust, and trash.

• System Testing:

o Conduct an overall system test to verify that the electrical installations meet IBC Chapter 27 requirements.

o Submit all test results to the COR.

o If test results indicate deficiencies, the Contracting Officer (KO) may authorize wiring replacements.

2.6.3 Transformer and Distribution Cabinets

• Inspection & Testing:

o Inspect and test the 1000 KVA transformers (2 units) and associated distribution cabinets to ensure compliance with IBC Chapter 27.

o Verify that the power supply meets the requirements for the indoor firing range air handlers, building, appliances, and fixtures per contract drawings.

• Documentation:

o Provide test reports to the COR detailing power draw, fixture status, and any deficiencies in the system.

2.6.4 HVAC Run Vault Installation and Conduit Inspection

• Vault Construction:

o Construct a vault adjacent to the Eastern transformer for enclosing 6-inch conduit runs and connections.

o Construct an additional vault at the 90-degree junction leading into the indoor vault.

• Conduit Integrity:

o Inspect existing conduits, complete any required ditching, marking, and installation.

o Confirm the integrity of the 6-inch conduit run from the vault to the indoor vault.

• Secondary Transformer:

o Provide a plan for the potential installation of a secondary transformer inside the building.

• Standards:

o All installations must adhere to NFPA 90A and IBC Chapters 27 and 28.

• Testing:

o Provide evidence that the system can transmit the required power to the HVAC system.

2.6.5 HVAC System Installation

• Cabling:

o Install appropriately sized power cables for the HVAC system in accordance with the electrical room schematics.

o Ensure all power cables are properly secured.

• Compliance & Drawings:

o Submit HVAC shop drawings, an airflow plan, and an installation plan for COR review prior to commencement.

o The HVAC system must be installed in compliance with NFPA 90A.

• Operational Testing:

o Conduct an operational test as outlined in NFPA 90A and UFC 4-179-02, and submit test results to the COR.

2.6.6 Power Supply for Building

• Transformer Inspection:

o Inspect the 1000 KVA transformer and distribution cabinets located south of the indoor firing range to verify that the building receives adequate power.

• Conduit Verification:

o Confirm the location, size, and integrity of all 3-inch conduit runs.

• Cable Installation:

o Run new power cables in accordance with IBC Chapter 27 electrical codes and schematics.

• Documentation:

o Provide testing results and an overlay of new cable locations to the COR.

2.6.7 Disconnect Switches and Panelboard Connection

• Installation:

o Install disconnect switches for all mechanical equipment.

o Make final electrical connections to the corresponding panelboards as per contract drawings.

o Install new panelboards in designated wall cutout areas.

• Compliance:

o Ensure that all panelboards conform to IBC Chapter 27 standards.

• Submittals:

o Submit material submittals for approval by the COR prior to installation.

2.6.8 Grounding System Inspection and Maintenance

• Inspection & Verification:

o Inspect all grounding rods and ensure proper grounding for all equipment.

o Inspect the facility’s grounding loop and address any deficiencies.

o Verify proper grounding and bonding of all electrical and communication systems.

• Standards:

o All installed grounding materials must adhere to UL 467 and IBC Chapter 27.

o Ground resistance must not exceed 5 ohms, in compliance with NEC 50.56.

• Documentation:

o Provide submittals and test results to the COR for review and approval.

2.6.9 Cable Inspection and Repair

• Inspection:

o Inspect all cables, conduits, connections, and terminations from the transformer to the main distribution panel.

• Repair:

o Perform necessary repairs to restore full functionality of the system.

2.6.10 Exterior Cleanup and Manholes

• Cleanup:

o Clean all exterior manholes, handholes, and trenches to remove any debris or trash.

• Labeling:

o Provide properly labeled lids marked "Electric" for all missing manholes/handholes.

2.6.11 Lighting System

• Installation:

o Install lighting fixtures as per contractor drawings, including wiring conduits, protective devices, cable trays, and light switches.

o Terminate all lighting circuits at the corresponding panelboards.

• Testing:

o Conduct post-installation tests to ensure all lighting fixtures, including exit and emergency lights, are operational.

• Compliance:

o Install all exit and emergency lighting in accordance with the contract drawings and IBC Chapter 27.

2.6.12 Compliance and Documentation

• Standards Compliance:

o Ensure all electrical work meets the standards outlined in IBC Chapter 27.

• Documentation:

o Maintain comprehensive documentation of all inspections, tests, maintenance, and repairs.

o Submit all records and reports to the COR for review and final approval.

2.7 COMMUNICATIONS

The Contractor shall install, configure, and verify a fully operational communications system that provides complete audio coverage along the firing lanes and within the Range Master office.

The system must integrate both public address functionality and target retrieval control, ensuring compliance with UFC 4-179-02 and related standards.

2.7.1 System Configuration

Scope & Requirements:

• Speaker Installation and Coverage:

o Install a series of wall-mounted 8 OHM-15 horn speakers, with each speaker designed to cover five firing lanes.

o Position speakers along the shooting line to the left, right, and along the sidewalls to ensure complete audio coverage.

o Verify that wiring and control ports are properly installed and free from damage, addressing any issues caused by previous construction delays.

• Control Equipment:

o Install a desktop or wall-mounted master station (Type: NIM-20B) as the central control unit.

o Provide flush-mounted substations (Type: NI-JA) to facilitate distributed control.

o Ensure that the power supply for the communications system is provided by units conforming to Type IS-PU-UL specifications.

2.7.2 Targeting System

Scope & Requirements:

• Installation of Target Retrieval and Software Systems:

o Install a new Target Retrieval and Software System that complies with UFC

4-179-02.

o The system must be fully integrated with the main control station, with all side panels and interfaces operating correctly.

• Control and Integration:

o Ensure that the targeting system interfaces seamlessly with the overall communications network.

o The system shall allow centralized control from the main control station with real-time data display and target retrieval capabilities.

• Testing and Documentation:

o Prior to installation, develop detailed system diagrams, integration plans, and test protocols.

o Obtain COR approval of all submittals and conduct thorough testing to validate system functionality.

o Submit all test results and system documentation to the COR for final review and approval.

2.8 ENVIRONMENTAL

2.8.1 Vegetation

• Remove all weeds, vegetation, and leftover debris from previous construction. Ensure the site is cleared before the final project turnover.

2.9 FIRE SUPPRESSION

The Contractor shall ensure that the fire protection systems are fully functional, compliant with NFPA standards, and appropriately installed according to the project design. This includes relocating fire alarm components, verifying exit signage, testing the water supply for fire protection, and installing a comprehensive fire suppression sprinkler system that covers all areas of the building.

2.9.1 Fire Alarm Replacement

• Existing fire alarm systems are installed; however, some devices are misplaced on the exterior of the building and must be removed and reinstalled in the interior as per design requirements.

• Exit signs require verification of functionality or replacement as necessary.

• The water system for fire protection must be inspected and tested to confirm adequate pressure and proper functionality.

Required Actions:

• Relocation & Verification:

o Remove all fire alarm components currently installed on the building exterior and reinstall them in the designated interior locations, ensuring full compliance with the approved drawings.

o Verify that all exit signs are either fully operational or replace them if found to be non-functional.

• System Testing:

o Inspect the fire protection water system and perform pressure tests to confirm it meets operational requirements.

• Standards & Submittals:

o All fire alarm installations must comply with NFPA 72 (National Fire Alarm and Signaling Code).

o A complete material submittal and a detailed fire alarm plan must be prepared and submitted to the COR for approval before any work begins.

2.9.2 Fire Suppression System Installation

• No fire suppression sprinkler system is currently installed within the building.

• A comprehensive fire suppression system is required to cover all areas of the building, including the installation of a fire pump, risers, and a water study to ensure adequate water pressure.

Required Actions:

• System Design and Planning:

o Develop a detailed, engineered plan for the installation of a fire suppression sprinkler system that covers all rooms in the building.

o The plan must include specifications for the fire pump, risers, and necessary water distribution, and must detail the results of a water study to confirm that adequate water pressure is available on site.

• Compliance & Engineering Standards:

o The engineered plan must adhere to NFPA 13 (Standard for the Installation of

Sprinkler Systems) and all other applicable NFPA standards.

o The system must also meet the performance criteria outlined in NFPA 4

(Integrated Fire Protection and Life Safety System Testing).

• Testing and Verification:

o Prior to final acceptance, conduct flow tests, functional tests, and any additional required performance tests on the sprinkler system.

o Additional water calculations must be performed to confirm that the system will achieve adequate water pressure throughout the facility.

• Documentation &…