NLS Contractors

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2026-10-08

Waterproofing Foundations and Roofs in Saudi Heat

How to specify waterproofing for foundations and roofs in Saudi Arabia: system choice, surface preparation, details, flood testing and warranty.

2026-10-08

Site Office and Welfare Unit Requirements on Saudi Sites

What a Saudi construction site office and welfare package needs: cabins, plinths, power, water, sewage, air conditioning, prayer rooms and relocation.

2026-10-08

Pre-Engineered Building vs Conventional Steel in KSA

When a pre-engineered steel building suits a Saudi warehouse or factory and when conventional steel wins: spans, cranes, loads, programme and cladding.

2026-10-08

MEP Subcontract Package Scope on a Saudi Project

How to define an MEP subcontract package on a Saudi project: what each system includes, where the interfaces sit and which tests close the package.

2026-10-08

HVAC Test, Adjust and Balance Before Handover in KSA

What HVAC testing, adjusting and balancing involves before handover on a Saudi project: prerequisites, air and water measurement, reports and sign-off.

2026-10-08

How to Write an RFQ for a Construction Works Package

A checklist for writing an RFQ for a construction works package in Saudi Arabia: scope, BOQ, drawings, interfaces, tests, programme and commercial terms.

2026-10-08

Hospital Rooftop Helipad Package: What the Scope Includes

What goes into a hospital rooftop helipad construction package in Saudi Arabia: structure, landing surface, safety net, lighting, fire cover and handover.

2026-10-08

Healthcare Fit-Out Package Scope for Clinics in KSA

What a healthcare fit-out package covers in Saudi Arabia: hygienic finishes, ASHRAE 170 ventilation, medical gas, infection control and staged handover.

2026-10-08

BMS Point List: How a BMS Installation Is Scoped in KSA

What a BMS point list is, how AI, AO, DI and DO points drive a BMS installation quote in Saudi Arabia, and what to send with your BOQ.

2026-10-08

Asphalt Paving Layers and Road Base for Internal Roads

The layers of an internal road in Saudi Arabia, from subgrade to wearing course, with the tests and records each layer needs before the next goes on.

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