BMS installation works cover field sensors and actuators, DDC panels, the controller network, the supervisory server and workstation, plus cabling and containment, priced from the point list. Built to ISO 16484 and BACnet (ASHRAE 135) in Riyadh, Jeddah, Dammam and Khobar, with shop drawings, I/O schedules, test records, controller backups and O&M manuals at handover.
DDC controls for HVAC cover the panels, wiring, sensors, actuators, programming and graphics that run chillers, AHUs, FCUs, VAV boxes, pumps, dampers and valves. Work follows the consultant's sequences of operation, with ASHRAE Guideline 36 where specified, in Riyadh, Jeddah, Dammam and Khobar. Handover includes control schematics, I/O lists, functional test records and trend logs.
BMS for hospitals and healthcare campuses covers central plant and the AHUs serving theatres, wards and isolation rooms, with room pressure, temperature and humidity monitoring. Built to ISO 16484 with ASHRAE 170 and NFPA 99 monitoring points across Riyadh, Jeddah and the Eastern Province, with building-by-building handover, alarm schedules, trend logs and test records.
BMS integration reads chillers, VFDs, energy meters, generators, UPS, lighting controls and the fire alarm panel (monitoring only) into one supervisory layer over BACnet/IP, BACnet MS/TP and Modbus. Scope covers gateways, network design, graphics and alarm routing in Riyadh, Jeddah, Dammam and Khobar, with an integration matrix and point mapping tables at handover.
Energy metering and monitoring installs electrical multi-function meters, water meters and chilled water BTU meters, with a metering network to the BMS or an energy dashboard. Meters follow IEC 62053 accuracy classes and Modbus or BACnet, with SBC 601 in view, in Riyadh, Jeddah, Dammam and Khobar. Handover includes the metering schedule, single line diagram and test certificates.
BMS testing and commissioning covers point-to-point and loop checks, functional tests of every sequence, alarm tests and graphics verification, witnessed by the consultant. Stage gates run from pre-functional checks to site acceptance and punch list close-out in Riyadh, Jeddah, Dammam and Khobar, ending with signed record sheets, controller backups, as-builts and O&M manuals.
Ground-level helipad construction covers the FATO, TLOF and safety area, a bearing pavement in reinforced concrete or asphalt, shoulders, drainage, perimeter fence and access. Geometry follows GACAR Part 138, ICAO Annex 14 Volume II and FAA AC 150/5390-2C for the owner's design helicopter, anywhere in the Kingdom, with drawings, test records and a handover pack for the GACA submission.
Hospital rooftop helipad construction covers the structural interface to the roof slab or frame, the TLOF surface, safety net, access route to the emergency department, lighting and firefighting provisions. Built to GACAR Part 138, ICAO Annex 14 Volume II, NFPA 418 and Civil Defense requirements in Riyadh, Jeddah, Dammam and Khobar, with load path documentation and a handover pack.
Elevated helideck construction covers the steel support structure, deck plating in steel or aluminium, connections, foundations, perimeter safety netting and access stairs. Design uses helicopter loads, with wind and seismic per SBC 301 and deck geometry per ICAO Annex 14 Volume II. Fabrication follows AISC 360 and AWS D1.1, with mill certificates, weld and NDT records at handover.
Helipad electrical and lighting installation covers perimeter lights, floodlights, FATO and approach lights, the lit wind direction indicator, obstruction lights, power supply, control panel and backup. Installed to ICAO Annex 14 Volume II visual aids, GACAR Part 138 and FAA AC 150/5390-2C, with IEC 62305 earthing where specified. Handover includes circuit test records, function tests, as-builts and O&M manuals.
Helipad drainage and firefighting provisions cover surface drainage with fuel containment, hose reels, extinguishers, hydrants or foam provisions, and rescue equipment storage. The provision level is set by the owner and Civil Defense, with NFPA 418 and ICAO Annex 14 Volume II guidance, in Riyadh, Jeddah, Dammam and Khobar. Handover includes drainage and fire drawings, pressure test records and as-builts.
GACA approval support for helipad construction assembles the construction-side documents behind the owner's GACAR Part 138 submission: drawings, obstacle surface inputs, lighting and marking datasheets, inspection records and as-builts. Approval belongs to the owner through the consultant. Delivered as one indexed document set for projects in Riyadh, Jeddah, Dammam and Khobar.
LV power distribution installation covers main, sub-main and final distribution boards, cable tray, trunking, conduit, cables, terminations and earthing. Work follows SBC 401, IEC 60364 and IEC 61439 for assemblies, with SEC requirements on grid connections, in Riyadh, Jeddah, Dammam and Khobar. Handover includes single line diagrams, test certificates, labelling schedules and as-builts.
ELV and low-current installation covers CCTV, access control, public address, intercom, nurse call and master clock as the specification lists them. CCTV follows IEC 62676 and access control IEC 60839, in Riyadh, Jeddah, Dammam and Khobar, with device schedules, cable test results, commissioning records and as-builts at handover.
Structured cabling covers Cat6 and Cat6A copper, OS2 and OM4 fibre backbone, patch panels, racks, outlets and labelling. Every copper link is certified and every fibre link loss-tested to ISO/IEC 11801 and ANSI/TIA-568 in Riyadh, Jeddah, Dammam and Khobar, with a test report per link, labelling schedule, rack elevations and as-builts at handover.
Lighting systems installation covers interior and exterior luminaires, poles and brackets, lighting controls (DALI, occupancy and daylight sensors) and cabling. Design levels come from the lighting design, typically referencing EN 12464-1 for workplaces. The installer aims, programs and tests to the schedule in Riyadh, Jeddah, Dammam and Khobar, handing over a lux survey, programming records and O&M manuals.
Emergency and central battery lighting installation covers central battery systems, self-contained emergency luminaires, exit signs, wiring and monitoring. Standards include EN 50171, IEC 60598-2-22, EN 1838 and NFPA 101, with duration and levels per the specification and Civil Defense. Handover includes circuit schedules, duration and function test records, Civil Defense inspection support and as-builts.
Fire alarm installation covers the addressable panel, detectors, manual call points, sounders, interface modules, fire-rated cabling, and interfaces to the BMS, door holders, HVAC shutdown and lifts. Work follows NFPA 72 and SBC 801, with Civil Defense approval of the design and the acceptance test, in Riyadh, Jeddah, Dammam and Khobar. Handover includes loop drawings and a cause-and-effect matrix.
NLS Contractors delivers structural steel packages in Riyadh, Jeddah, Dammam and Khobar and across the Kingdom: columns, beams, trusses and bracing, from shop drawings through coating and erection. Design follows AISC 360 with loads per SBC 301, and welding follows AWS D1.1. Handover includes mill certificates, weld maps, NDT and coating records, and as-built drawings.
NLS Contractors supplies and erects pre-engineered steel buildings for warehouses, factories, hangars and showrooms in Riyadh, Jeddah, Dammam and Khobar. Frames are built-up tapered sections with cold-formed purlins and sheeting, designed to MBMA, AISC 360 and AISI S100 with SBC 301 loads. Handover includes anchor bolt plans, erection drawings, material certificates and as-builts.
NLS Contractors supplies and installs steel mezzanine floors and access platforms in warehouses, factories and plant rooms in Riyadh, Jeddah, Dammam and Khobar. Scope covers columns, beams, decking, stairs, handrails and gates, designed for live loads under SBC 301 and the actual use. Handover includes shop drawings, a calculation summary, load plaque details and as-builts.
NLS Contractors supplies and installs solar mounting structures for ground-mount and rooftop PV arrays in Riyadh, Jeddah, Dammam and Khobar and across the Kingdom. Galvanised posts and rails sit on piles, ground screws or concrete footings, designed for SBC 301 wind uplift and IEC 62548. Handover includes foundation drawings, galvanising certificates, pile test records and as-builts.
NLS Contractors installs roof and wall cladding on steel frames in Riyadh, Jeddah, Dammam and Khobar: single skin sheeting, insulated sandwich panels with PU, PIR or rockwool cores, standing seam roofs, flashings, gutters and skylights. Checks cover fire behaviour, wind uplift, water tightness and SBC 601 thermal values. Handover includes panel layouts, a fixing schedule and a water test record.
NLS Contractors supplies and installs insulated ISO-frame containers for generators, switchgear and electrical rooms in Riyadh, Jeddah, Dammam and Khobar and across the Kingdom. Each unit has louvres, acoustic attenuation, cable entries, lighting and air conditioning, built to ISO 668 dimensions and ISO 1496-1. Handover includes GA drawings, a ventilation calculation summary, and inspection and installation records.
NLS Contractors supplies and installs portable site offices and welfare units in Riyadh, Jeddah, Dammam and Khobar and on remote sites: offices, meeting rooms, toilet and ablution blocks, canteens and prayer rooms. Units use insulated sandwich panels with air conditioning, lighting and plumbing connections. Handover includes layout drawings, a delivery and installation record and a handover checklist.
NLS Contractors supplies and installs factory-built modular buildings in Riyadh, Jeddah, Dammam and Khobar and across the Kingdom: clinics, classrooms, retail units and project headquarters. Modules on a steel frame with insulated panels are joined on site, and permanent use is checked against SBC 201, SBC 301 and SBC 801. Handover includes module drawings, MEP layouts and an installation record.
NLS Contractors supplies, delivers and installs prefabricated guard houses, gate cabins, security kiosks and ticket booths in Riyadh, Jeddah, Dammam and Khobar and across the Kingdom. Units arrive complete with windows, counters, air conditioning and lighting, and are placed by crane or truck-mounted lift. Handover includes drawings, a delivery and placement record and a handover checklist.
NLS Contractors supplies and installs accommodation blocks and camp units in Riyadh, Jeddah, Dammam and Khobar and on remote sites: stacked cabin blocks, dormitories, mess halls, laundry and ablution blocks with their electrical, plumbing, air conditioning and fire detection. Fire provisions follow SBC 801 and Civil Defense. Handover includes the camp layout, MEP drawings and an installation record.
NLS Contractors installs split, VRF and packaged air conditioning in Riyadh, Jeddah, Dammam and Khobar and across the Kingdom. Scope covers indoor and outdoor units, refrigerant piping tested under pressure and vacuum, condensate drains, control wiring and power connection, to SBC 501 and SBC 601. Handover includes piping layouts, test records, commissioning sheets and as-builts.
NLS Contractors installs chilled water piping and plant rooms in Riyadh, Jeddah, Dammam and Khobar: chillers, pumps, heat exchangers and cooling towers where used, with carbon steel or HDPE pipework, valves, insulation and vibration isolation. Piping follows ASME B31.9 and SBC 501. Handover includes isometrics, test records, flushing certificates and as-builts.
NLS Contractors installs ductwork and ventilation in Riyadh, Jeddah, Dammam and Khobar: galvanised and pre-insulated duct, fire and smoke dampers, grilles and diffusers, AHUs, fans, kitchen and toilet extract, and stair pressurisation fans. Work follows SMACNA, NFPA 90A and SBC 501, with leakage and damper tests recorded for handover.
NLS Contractors installs sprinkler, hydrant and fire pump systems in Riyadh, Jeddah, Dammam and Khobar and across the Kingdom: sprinkler grids, risers and standpipes, hydrants, hose cabinets and pump sets with fire water tank connections. Work follows NFPA 13, 14, 20 and 24 and SBC 801, with Civil Defense acceptance support and test certificates at handover.
NLS Contractors delivers testing, adjusting and balancing (TAB) and HVAC commissioning as a works package in Riyadh, Jeddah, Dammam and Khobar: airflow and water flow measurement, balancing to design values and functional testing, using NEBB or AABC procedures as specified and ASHRAE Guideline 0. Handover includes TAB reports, balancing sheets, functional test records and a commissioning report.
NLS Contractors installs cold and hot water supply piping in Riyadh, Jeddah, Dammam and Khobar and across the Kingdom: risers, branches, valves, insulation and water heaters, in PPR to ISO 15874, copper, stainless steel or HDPE to ISO 4427. Work follows SBC 701, with pressure tests, flushing and disinfection certificates in the handover.
NLS Contractors installs sanitary drainage and sewerage piping in Riyadh, Jeddah, Dammam and Khobar and across the Kingdom: soil, waste and vent stacks in uPVC or HDPE, floor drains, cleanouts, manholes and the connection to the public sewer. Work follows SBC 701 and National Water Company requirements, with test records, invert levels and as-builts at handover.
NLS Contractors installs sanitary fixtures and fittings in Riyadh, Jeddah, Dammam and Khobar and across the Kingdom: WCs, basins, urinals, showers, taps, bidet sprays, ablution points and accessible fixtures, supplied by the client or procured to the schedule. Mounting heights, supports and sealing are checked room by room, with accessible fixtures to SBC 201.
NLS Contractors installs water storage tanks and booster pump sets in Riyadh, Jeddah, Dammam and Khobar and across the Kingdom: GRP, concrete or steel tanks, transfer pumps, VFD booster sets in duty and standby, level controls and chlorination points. Work follows SBC 701 and the pump maker's requirements, with disinfection and pump test records at handover.
NLS Contractors installs rainwater and roof drainage in Riyadh, Jeddah, Dammam and Khobar and across the Kingdom: roof drains, downpipes, gutters, overflow outlets and the connection to the storm network. Sizing follows the rainfall intensity the consultant sets, under SBC 701. Handover includes roof drainage layouts, water test records and as-builts.
NLS Contractors carries out site preparation and earthworks packages in Riyadh, Jeddah, Dammam, Khobar and across the Kingdom: clearing, cut and fill, excavation including hard strata, dewatering, imported select fill and compaction tested to modified Proctor ASTM D1557. Handover includes survey levels, compaction test results and as-built levels.
NLS Contractors builds isolated, strip and raft foundations and ground slabs in Riyadh, Jeddah, Dammam, Khobar and across the Kingdom, with reinforcement, formwork and pours to ACI 318 and ready-mix to ASTM C94. Handover includes pour records, cube test results, rebar inspection records and as-builts.
NLS Contractors builds reinforced concrete frames in Riyadh, Jeddah, Dammam, Khobar and across the Kingdom: columns, beams, slabs, shear walls, stairs and tanks, with formwork, rebar fixing and curing. Loads follow SBC 301, detailing follows ACI 318, and handover includes inspection records, test results and as-builts.
NLS Contractors installs underground utilities in Riyadh, Jeddah, Dammam, Khobar and across the Kingdom: trenching, bedding, pipe laying for storm, sewer, water and fire mains, duct banks, manholes, chambers and backfill. Pipes are tested by type, and handover includes pipe test records, an invert level schedule and as-builts.
NLS Contractors builds boundary walls and retaining structures in Riyadh, Jeddah, Dammam, Khobar and across the Kingdom: reinforced concrete and block walls, precast panel walls, retaining walls, gates and fencing. Wind and earth pressure follow SBC 301, and handover includes wall drawings, material test records and as-builts.
NLS Contractors installs waterproofing for basements, podium decks, roofs, wet areas and tanks in Riyadh, Jeddah, Dammam, Khobar and across the Kingdom, using bituminous sheet, polyurethane or cementitious systems. A flood test is recorded before covering, and handover includes system data sheets, test records and any warranty the contract requires.
NLS Contractors builds road base and subbase layers in Riyadh, Jeddah, Dammam, Khobar and across the Kingdom: subgrade preparation, subbase, aggregate base course and compaction. Layers are tested to modified Proctor ASTM D1557 and CBR ASTM D1883, and handover includes survey levels, test records per layer and as-builts.
NLS Contractors lays asphalt in Riyadh, Jeddah, Dammam, Khobar and across the Kingdom: prime coat, tack coat, binder course and wearing course from a hot mix plant, placed by paver and rolled. Mixes follow Marshall ASTM D6927 or Superpave, and handover includes the mix design, core results and as-builts.
NLS Contractors installs precast concrete kerbs, interlocking paving blocks, sidewalks and accessible ramps in Riyadh, Jeddah, Dammam, Khobar and across the Kingdom, on a compacted base with bedding sand and edge restraint. Paving units follow ASTM C936, and handover includes block test certificates, setting-out records and as-builts.
NLS Contractors installs road markings, signs, road studs, crash barriers, bollards and speed humps in Riyadh, Jeddah, Dammam, Khobar and across the Kingdom, with temporary traffic management during the works. Material class and retroreflectivity follow the owning authority's specification; handover includes the marking layout, material certificates and as-builts.
NLS Contractors builds car parks and internal access roads for hospitals, warehouses, compounds and commercial sites in Riyadh, Jeddah, Dammam, Khobar and across the Kingdom: paving, drainage falls, kerbs, markings and signage. Handover includes a levels survey, test records and as-builts.
NLS Contractors fits out commercial offices in Riyadh, Jeddah, Dammam and Khobar from shell and core to occupied floor: partitions, ceilings, flooring, joinery, glazing and MEP alterations. Egress and fire ratings follow SBC 201 and SBC 801, and handover includes shop drawings, a closed snag list, as-builts and O&M manuals.
NLS Contractors fits out clinics, day-surgery units and laboratories in Riyadh, Jeddah, Dammam, Khobar and across the Kingdom, with hygienic finishes, ventilation coordinated to ASHRAE 170, NFPA 99 services and SBC 801 fire protection. Works are staged so the facility opens in phases. Handover includes a finishes schedule, services test records and as-builts.
NLS Contractors fits out stores, restaurants, hotel rooms and lobbies in Riyadh, Jeddah, Dammam, Khobar and across the Kingdom, with joinery, feature ceilings, kitchen extract coordination and signage. Work follows mall design guidelines and Civil Defense inspection before opening. Handover includes shop drawings, mock-up approvals and a closed snag list.
NLS Contractors installs gypsum board partitions, fire-rated and acoustic partitions, suspended ceilings and flooring in Riyadh, Jeddah, Dammam, Khobar and across the Kingdom. Board follows ASTM C1396 on ASTM C645 framing, and fire and acoustic ratings come from the specification and SBC 801. Handover includes data sheets, installation records and a closed snag list.
NLS Contractors applies plaster, putty, primer, emulsion and epoxy paint, wallpaper and feature finishes inside, and weather coatings outside, in Riyadh, Jeddah, Dammam, Khobar and across the Kingdom. Surface preparation, dry film thickness and colour approvals are recorded. Handover includes a paint schedule, product data sheets and a closed snag list.
NLS Contractors installs aluminium windows and curtain wall, steel doors, fire-rated door sets and glazing in Riyadh, Jeddah, Dammam, Khobar and across the Kingdom. Wind loads follow SBC 301, glazing thermal values are checked against SBC 601, and handover includes shop drawings, test certificates and installation records.
Tell us what you need and we will come back with pricing and lead times.
