SI 1525 for Building Maintenance: What It Requires and How to Actually Comply

Most office-building owners are familiar with the term "preventive maintenance," but few know that there is an orderly Israeli standard that defines what needs to be maintained, at what frequency, and how to document it — Israeli Standard (SI) 1525. Complying with it is not just a matter of ticking a box; it is the foundation for preserving the asset's value, for insurance protection, and for avoiding personal liability. As a working building manager, I have seen how properties without a documented maintenance framework end up facing a fire inspection or an insurance claim — and only then do they realize how costly the wrong kind of saving really was.

What SI 1525 Is and Who It Applies To

Israeli Standard (SI) 1525 deals with the maintenance of buildings and their systems throughout the building's life cycle. It defines a framework for planned preventive maintenance — as opposed to "breakdown maintenance" that reacts to failures after the fact. The standard is relevant to office buildings, business centers, commercial structures and rental properties, and it serves as a professional benchmark referenced by management contracts, insurance policies and engineering opinions.

It is important to understand: the standard does not replace specific statutory requirements — such as fire safety regulations, occupational safety regulations (elevators), electricity law regulations, and public health regulations (drinking water) — but rather complements them and consolidates them into a single work plan. An owner who complies with SI 1525 is effectively managing the whole web of obligations in an orderly and documented way.

In my experience, the buildings that suffer most from compliance incidents are actually those that have good maintenance vendors — but each vendor works separately, without any single party holding the full picture. SI 1525 is the tool that unifies that picture.

The Three Pillars of the Standard

1. A Written Maintenance Plan

Every system in the building should have a maintenance plan that defines the required actions, the frequency, and the qualified party performing them. The plan is derived from three combined sources: the manufacturer's instructions, the relevant statutory regulations, and the system's age and current condition.

A plan written only according to manufacturer instructions, without reference to age and condition, is a half-finished plan. A twenty-year-old system operating near its upper capacity requires shorter service cycles — and a manager who ignores this will discover the gap in a major failure.

2. A Documented Maintenance Log

Every action — inspection, repair, replacement, a finding that remains open — is recorded in the log with a date, the person who performed it, the findings and follow-up steps. The log is the proof that the building is maintained as required. It is the first document requested by an insurance company, a fire authority representative, a safety inspector or a court following an incident.

A recurring mistake: an entry made "after the fact" several days after the inspection, without the performer's details and findings. Such a log will not withstand serious scrutiny. The entry must be immediate and specific.

3. Periodic Inspections on a Schedule

The standard sets inspection cycles for the building's systems. Some are visual and frequent, some are functional and annual, and some require a licensed professional, an approving party on behalf of the authority, or an accredited laboratory.

The Systems Under Responsibility — What the Plan Includes

• Electricity: electrical panels, grounding system, emergency lighting, generator and UPS.
• Air conditioning and ventilation: chillers, terminal units (FCU/AHU), filters, cooling towers and smoke-exhaust systems.
• Fire detection and suppression: fire detection panel, detectors, sprinklers, fire pump, extinguishers and smoke-evacuation system — in accordance with fire safety regulations.
• Elevators: fixed monthly service and inspection by a licensed inspector on behalf of the Occupational Safety Administration.
• Plumbing and water: drinking-water reservoirs, piping, backflow prevention (backflow valves), drainage and rainwater management.
• Envelope and structure: facade, roof, waterproofing, fire barriers, fencing and railings.
• Additional systems: access control, security cameras, intercom and systems specific to the building's use.

Each of these systems is subject to different frequencies. We have covered more on the annual cycle in the annual preventive maintenance checklist.

Key Frequencies — An Orientation Table

The frequencies below are a general framework. The exact frequency depends on the building's risk classification, its size, the number of floors, the age of the systems and the manufacturer's instructions. Always verify against the relevant regulations and the current approvals for your specific property.

What Happens in the Field — Findings from My Experience

In routine work with office buildings, I have seen failure patterns that repeat themselves:

• Sprinklers without a full functional test: a visual inspection was done, but the full pressure test was postponed year after year. When a fire inspection arrives, it emerges that there is no valid approval — and the meaning of that is a shutdown of the building's operation until it is resolved.
• An expired fire-authority approval: a building that did not renew its fire-authority approval because "they hadn't inspected us for years anyway" — until a change of tenant arrived and a compliance declaration for a lease was required. The delay was costly.
• A "paper" log that cannot be verified: handwritten documents with illegible handwriting, no vendor signature, no exact date. An insurance company that rejected a claim explained that it was impossible to verify that the inspection had actually been performed.
• Replacing a vendor without a handover of the file: when a maintenance company is replaced, the history often disappears along with it — and the new building manager starts from scratch.

Every one of these cases could have been prevented at negligible cost, had there been an orderly computerized log with expiry reminders.

How to Build a Compliance Plan — Five Steps

1. System mapping: an exhaustive list of all the building's systems — age, condition, manufacturer instructions and installation documents.
2. Deriving frequencies: for each system — what needs to be inspected, how often and who is the qualified party to perform it. This step must take into account the specific regulatory requirements — not only SI 1525.
3. Building a calendar: spreading all the inspections across the year to prevent overload in a single month and to ensure that no approval expires without warning.
4. Setting up a maintenance log: a documentation system — manual or CMMS — that records every action, stores approvals and generates expiry reminders.
5. Monthly control: a regular review of what has been done, what is approaching expiry and what requires a management decision.

The difference between a plan "on paper" and a plan that works is the monthly control. Without it, even an excellent plan crumbles within months — inspections are postponed, approvals expire, and the building finds itself out of compliance exactly when an inspection arrives.

SI 1525 Versus the Specific Statutory Requirements

A common mistake is to think that complying with SI 1525 exempts you from other requirements. The standard is the organizing framework, but each system is also subject to its own dedicated regulation:

• Elevators — subject to occupational safety regulations and the oversight of the Occupational Safety Administration.
• Fire detection and suppression — subject to the requirements of the fire services and the civil defense regulations.
• Electrical systems — subject to the Electricity Law and its regulations and the oversight of the Electricity Authority.
• Water systems — subject to public health regulations and the requirements of the local water utility.

A good SI 1525 plan does not ignore these — it consolidates them all into a single schedule, so that the building owner sees the full picture instead of dozens of obligations scattered among different vendors.

This is exactly why maintenance dispersed among vendors, without a party that centralizes and supervises, almost always leads to compliance gaps: each vendor handles their part, but no one holds the full picture. A single managing party that holds the entire web is the best protection.

What the Risk of Non-Compliance Is

Non-compliance with SI 1525 and the accompanying statutory requirements can lead to several serious consequences:

• Revocation of approvals: failing to renew a fire-authority approval may lead to a shutdown of the building's operation until it is resolved.
• Rejection of an insurance claim: insurance companies examine the maintenance log after an incident. A finding that remained open without treatment is a direct ground for rejecting a claim.
• Personal liability: an owner or their manager may bear personal liability in the event of an injury that could have been prevented.
• Damage to the asset's value: a building without orderly maintenance documentation is harder to sell, to lease to institutional tenants, and to mortgage.

The risk is not theoretical — untreated inspection reports and defects left open are among the first findings that come up in any inspection or inquiry following an incident. Experience shows that the gap between "we knew about the problem" and "we documented and addressed it" is the difference between coverage and non-coverage by insurance.

At Domera we build an orderly SI 1525 compliance plan for every property, with a centralized log and approvals and expiry reminders. To schedule an initial review — get a quote.