# NEC3 and NEC4 Contracts **URL:** https://reachback.builtintelligence.com/c/nec3-and-nec4-contracts/5.md?page=4 [Latest](https://reachback.builtintelligence.com/latest.md) · [Categories](https://reachback.builtintelligence.com/categories.md) · [Tags](https://reachback.builtintelligence.com/tags.md) **Page:** 5 --- ## [Delegating Clauses 10 & 13](https://reachback.builtintelligence.com/t/delegating-clauses-10-13/22182)
**Author:** [@campbellgr](https://reachback.builtintelligence.com/u/campbellgr)\ **Replies:** 1\ **Last updated:** [18 March 2025 11:49 UTC](https://reachback.builtintelligence.com/t/delegating-clauses-10-13/22182 "2025-03-18T11:49:25Z")
When you delegate actions as a Project Manager under clause 14.2 do you delegate Clause 10 and Clause 13? I’ve seen many discussions about delegating duties (actions) for early warnings, instructions, assessments or CE’… --- ## [NEC 4, Option A - The accepted programme](https://reachback.builtintelligence.com/t/nec-4-option-a-the-accepted-programme/15839)
**Author:** [@leroyS](https://reachback.builtintelligence.com/u/leroyS)\ **Replies:** 7\ **Last updated:** [18 March 2025 11:41 UTC](https://reachback.builtintelligence.com/t/nec-4-option-a-the-accepted-programme/15839 "2025-03-18T11:41:50Z")
Hello, We are a subcontractor under an NEC 4 option A contract. Clause 31.3 deals with the notifications of the accepted programme. We submitted a programme for acceptance initially and we received no response from th… --- ## [Best Publications to read and refer to as a new NEC4 ECC Project Manager](https://reachback.builtintelligence.com/t/best-publications-to-read-and-refer-to-as-a-new-nec4-ecc-project-manager/22176)
**Author:** [@mark.stoneman](https://reachback.builtintelligence.com/u/mark.stoneman)\ **Replies:** 2\ **Last updated:** [12 March 2025 08:00 UTC](https://reachback.builtintelligence.com/t/best-publications-to-read-and-refer-to-as-a-new-nec4-ecc-project-manager/22176 "2025-03-12T08:00:49Z")
Hello, I hope it’s ok to ask on here about the best publications and books to help me as a newly qualified NEC4 ECC PM. I’d like to invest in the right books to help with my development and give me a greater depth of kno… --- ## [NEC ECC: Change to Works Information combined with manufacture error; how to value the change?](https://reachback.builtintelligence.com/t/nec-ecc-change-to-works-information-combined-with-manufacture-error-how-to-value-the-change/22178)
**Author:** [@AndyBman](https://reachback.builtintelligence.com/u/AndyBman)\ **Replies:** 2\ **Last updated:** [11 March 2025 16:41 UTC](https://reachback.builtintelligence.com/t/nec-ecc-change-to-works-information-combined-with-manufacture-error-how-to-value-the-change/22178 "2025-03-11T16:41:43Z")
The PM has issued a revised security spec for a door that was already manufactured, requiring the door to be re-made. The Subcontractor has made the door wrong, and therefore needs to re-make the door anyway. The Compens… --- ## [Competitiveness of SOCC 1 people cost](https://reachback.builtintelligence.com/t/competitiveness-of-socc-1-people-cost/22153)
**Author:** [@aaa](https://reachback.builtintelligence.com/u/aaa)\ **Replies:** 2\ **Last updated:** [11 March 2025 11:54 UTC](https://reachback.builtintelligence.com/t/competitiveness-of-socc-1-people-cost/22153 "2025-03-11T11:54:47Z")
For a NEC4 Option C contract, for payment to agency staff, the wages are paid under SOCC14. What should the firm of providing the agency staff be categorized as? Should not be Subcontractor according to Clause 11.2(25)… --- ## [Managing Target Cost Contract in another country & jurisdiction](https://reachback.builtintelligence.com/t/managing-target-cost-contract-in-another-country-jurisdiction/22172)
**Author:** [@Ben](https://reachback.builtintelligence.com/u/Ben)\ **Replies:** 2\ **Last updated:** [10 March 2025 23:43 UTC](https://reachback.builtintelligence.com/t/managing-target-cost-contract-in-another-country-jurisdiction/22172 "2025-03-10T23:43:36Z")
I’m developing a procurement strategy for the procurement of items in France, which will then be shipped to the UK. The strategy as it currently sits is to do this via the NEC Supply Contract. The scope can be split into… --- ## [Can X1.3 be applied after compensantion event implementation](https://reachback.builtintelligence.com/t/can-x1-3-be-applied-after-compensantion-event-implementation/22157)
**Author:** [@cmantas](https://reachback.builtintelligence.com/u/cmantas)\ **Replies:** 1\ **Last updated:** [7 March 2025 09:40 UTC](https://reachback.builtintelligence.com/t/can-x1-3-be-applied-after-compensantion-event-implementation/22157 "2025-03-07T09:40:43Z")
Good morning, we have a few NEC3 contracts, Option Bs and Supply Subcontracts containing clause X1. It appears that some of the compensation events have not been assessed correctly where clause X1.3 should have adjusted… --- ## [Scope of Compensation Event did not materialise - how to resolve?](https://reachback.builtintelligence.com/t/scope-of-compensation-event-did-not-materialise-how-to-resolve/22168)
**Author:** [@JMPM](https://reachback.builtintelligence.com/u/JMPM)\ **Replies:** 1\ **Last updated:** [6 March 2025 14:28 UTC](https://reachback.builtintelligence.com/t/scope-of-compensation-event-did-not-materialise-how-to-resolve/22168 "2025-03-06T14:28:22Z")
I’m working on a NEC3 ECC Option A contract. We (Employer) issued a PMI/CE instructing the Contractor to produce a design & RAMS to complete some works in compliance with an uncharted third party asset in the road, antic… --- ## [NEC 4 Option C - SCCO, calculation of hourly rate to determine Define Cost](https://reachback.builtintelligence.com/t/nec-4-option-c-scco-calculation-of-hourly-rate-to-determine-define-cost/22163)
**Author:** [@ivan.lee](https://reachback.builtintelligence.com/u/ivan.lee)\ **Replies:** 3\ **Last updated:** [5 March 2025 15:04 UTC](https://reachback.builtintelligence.com/t/nec-4-option-c-scco-calculation-of-hourly-rate-to-determine-define-cost/22163 "2025-03-05T15:04:32Z")
Hi, Our consultant used the yearly salary paid to the employee, divided that by \[(52 weeks \*37.5 hours) - 10 public holidays - 25 days vacation) to calculate the hourly Defined Cost. Is this correct? As far as I know, … --- ## [Construction Tolerences and Bill of Quantities](https://reachback.builtintelligence.com/t/construction-tolerences-and-bill-of-quantities/22156)
**Author:** [@MJR](https://reachback.builtintelligence.com/u/MJR)\ **Replies:** 1\ **Last updated:** [28 February 2025 19:34 UTC](https://reachback.builtintelligence.com/t/construction-tolerences-and-bill-of-quantities/22156 "2025-02-28T19:34:25Z")
We have a subcontractor installing type-1 stone to the underside of a new asphalt footpath (NEC3 ECS Option B). This stone is specified on the drawing (and the Bill of Quanties) to be 80mm thick, however there is a tole… --- ## [Option A - 60.1 (1) Used to claim back measure not realised](https://reachback.builtintelligence.com/t/option-a-60-1-1-used-to-claim-back-measure-not-realised/22149)
**Author:** [@QS101](https://reachback.builtintelligence.com/u/QS101)\ **Replies:** 1\ **Last updated:** [26 February 2025 18:07 UTC](https://reachback.builtintelligence.com/t/option-a-60-1-1-used-to-claim-back-measure-not-realised/22149 "2025-02-26T18:07:40Z")
Working on an option A where the as-built measure of the works, in this case the pile length, isn’t as high as what was estimated, the piles haven’t needed to go as deep. The main contractor is attempting to re-coup this… --- ## [Treatment of Risk in Compensation Event Quotes](https://reachback.builtintelligence.com/t/treatment-of-risk-in-compensation-event-quotes/22134)
**Author:** [@leroyS](https://reachback.builtintelligence.com/u/leroyS)\ **Replies:** 4\ **Last updated:** [26 February 2025 11:16 UTC](https://reachback.builtintelligence.com/t/treatment-of-risk-in-compensation-event-quotes/22134 "2025-02-26T11:16:19Z")
We are a subcontractor contracting in to a Contractor on an ECS NEC 4 Option A contract. In our compensation event build ups, we use a NEC style breakdown showing people, plant, materials etc with agreed contractual rat… --- ## [Clause 31 Programme/Access Dates](https://reachback.builtintelligence.com/t/clause-31-programme-access-dates/22141)
**Author:** [@PMJOB](https://reachback.builtintelligence.com/u/PMJOB)\ **Replies:** 1\ **Last updated:** [20 February 2025 16:31 UTC](https://reachback.builtintelligence.com/t/clause-31-programme-access-dates/22141 "2025-02-20T16:31:32Z")
We are on an NEC Option A subcontract and have an agreed Clause 31 Programme in our subcontract. We also have access date windows within our Contract Data part 1. As the access dates have windows i.e access between 1st J… --- ## [NEC 4 PSC Clause 50.3](https://reachback.builtintelligence.com/t/nec-4-psc-clause-50-3/22117)
**Author:** [@ivan.lee](https://reachback.builtintelligence.com/u/ivan.lee)\ **Replies:** 2\ **Last updated:** [12 February 2025 09:43 UTC](https://reachback.builtintelligence.com/t/nec-4-psc-clause-50-3/22117 "2025-02-12T09:43:15Z")
What types of amounts can be classified as “other amounts to be paid to the Consultant” in Clause 50.3 of the PSC? --- ## [Company car insurance](https://reachback.builtintelligence.com/t/company-car-insurance/22113)
**Author:** [@matthew.darcysmith](https://reachback.builtintelligence.com/u/matthew.darcysmith)\ **Replies:** 1\ **Last updated:** [10 February 2025 08:09 UTC](https://reachback.builtintelligence.com/t/company-car-insurance/22113 "2025-02-10T08:09:01Z")
Hi. I am having a debate about a vehicle costs, specifically concerning insurance. Does the cost of a vehicle include the cost of insurance and maintenance and the like under SoCC 13(n) and therefore be a Defined Cost o… --- ## [NEC4 Option C Defined Costs People](https://reachback.builtintelligence.com/t/nec4-option-c-defined-costs-people/22101)
**Author:** [@WatersideSurveyor](https://reachback.builtintelligence.com/u/WatersideSurveyor)\ **Replies:** 1\ **Last updated:** [29 January 2025 16:47 UTC](https://reachback.builtintelligence.com/t/nec4-option-c-defined-costs-people/22101 "2025-01-29T16:47:19Z")
We are the Contractor on an NEC4 Option C Contract. Our Defined Cost for People has been calculated as we believe is a standard way of doing this with a build-up of total cost of employment using the categories in the SO… --- ## [How to assess a "delay" to a Key Date for an instruction to change a Key Date under NEC 4 Cl 14.3](https://reachback.builtintelligence.com/t/how-to-assess-a-delay-to-a-key-date-for-an-instruction-to-change-a-key-date-under-nec-4-cl-14-3/22096)
**Author:** [@Enzof400](https://reachback.builtintelligence.com/u/Enzof400)\ **Replies:** 1\ **Last updated:** [29 January 2025 15:44 UTC](https://reachback.builtintelligence.com/t/how-to-assess-a-delay-to-a-key-date-for-an-instruction-to-change-a-key-date-under-nec-4-cl-14-3/22096 "2025-01-29T15:44:15Z")
According to Cl 14.3, the PM can “change” a Key Date, which means it can either bring the Key Date foreward or backward. The instruction will then constitute a CE under Cl. 60.1(4) and its effect on time and cost will b… --- ## [PSC Option A Short Schedule of Cost Components](https://reachback.builtintelligence.com/t/psc-option-a-short-schedule-of-cost-components/22092)
**Author:** [@alfykamya](https://reachback.builtintelligence.com/u/alfykamya)\ **Replies:** 0\ **Last updated:** [23 January 2025 12:05 UTC](https://reachback.builtintelligence.com/t/psc-option-a-short-schedule-of-cost-components/22092 "2025-01-23T12:05:51Z")
I am using an ECC Option A contract and have been asked by the contractor what items they should insert into the Short Schedule of Cost Componeants in the Equipment Section as they don’t believe that the standard equipme… --- ## [Liquidated Damages on paperwork](https://reachback.builtintelligence.com/t/liquidated-damages-on-paperwork/22057)
**Author:** [@KD191](https://reachback.builtintelligence.com/u/KD191)\ **Replies:** 2\ **Last updated:** [21 January 2025 20:45 UTC](https://reachback.builtintelligence.com/t/liquidated-damages-on-paperwork/22057 "2025-01-21T20:45:44Z")
The Contractor had completed activities to allow the Client to use its asset to its full capacity. However, in the handing over of documentation the Contractors PM & QS left the project. The project is now 12 months dow… --- ## [NEC3 Professional Services Contract - Retrospective CE Paperwork](https://reachback.builtintelligence.com/t/nec3-professional-services-contract-retrospective-ce-paperwork/22074)
**Author:** [@jonathan.spence](https://reachback.builtintelligence.com/u/jonathan.spence)\ **Replies:** 2\ **Last updated:** [17 January 2025 14:25 UTC](https://reachback.builtintelligence.com/t/nec3-professional-services-contract-retrospective-ce-paperwork/22074 "2025-01-17T14:25:20Z")
I have unfortunately picked up on a project with not so great administrative records. I have noted that there was a change of scope at some point to change procurement method of the construction project from Develop and… --- ## [Subcontractor fee % as part of a tender return](https://reachback.builtintelligence.com/t/subcontractor-fee-as-part-of-a-tender-return/22076)
**Author:** [@alex.playle](https://reachback.builtintelligence.com/u/alex.playle)\ **Replies:** 1\ **Last updated:** [14 January 2025 21:00 UTC](https://reachback.builtintelligence.com/t/subcontractor-fee-as-part-of-a-tender-return/22076 "2025-01-14T21:00:48Z")
Under NEC 3 option A we have received a tender price from a contractor which includes subcontractors works. As part of this, the quote shows the subcontract cost and includes the subcontractor fee for the total of that s… --- ## [NEC3 Short Subcontract - Assessing and Recovering the Cost of Delays](https://reachback.builtintelligence.com/t/nec3-short-subcontract-assessing-and-recovering-the-cost-of-delays/22075)
**Author:** [@TheGaz1982](https://reachback.builtintelligence.com/u/TheGaz1982)\ **Replies:** 0\ **Last updated:** [14 January 2025 13:50 UTC](https://reachback.builtintelligence.com/t/nec3-short-subcontract-assessing-and-recovering-the-cost-of-delays/22075 "2025-01-14T13:50:07Z")
Hi, I having currently inherited a number of Subcontracts under the ‘NEC3 Shor Subcontract’, most of which have been effected by the Employer delaying the works for one reason or another. On what basis can Subcontracto… --- ## [X1 Base Date. First assessment immediately after base date has a Price adjustment](https://reachback.builtintelligence.com/t/x1-base-date-first-assessment-immediately-after-base-date-has-a-price-adjustment/22054)
**Author:** [@cscesarsierra](https://reachback.builtintelligence.com/u/cscesarsierra)\ **Replies:** 3\ **Last updated:** [13 January 2025 16:26 UTC](https://reachback.builtintelligence.com/t/x1-base-date-first-assessment-immediately-after-base-date-has-a-price-adjustment/22054 "2025-01-13T16:26:15Z")
X1.1 (a) The Base Date Index (B) is the latest available index before the base date. (b) The Latest Index (L) is the latest available index before the date of assessment of an amount due. I would like to understand ho… --- ## [Subcontractor fee percentage as part of tender price](https://reachback.builtintelligence.com/t/subcontractor-fee-percentage-as-part-of-tender-price/22066)
**Author:** [@alex.playle](https://reachback.builtintelligence.com/u/alex.playle)\ **Replies:** 2\ **Last updated:** [10 January 2025 09:12 UTC](https://reachback.builtintelligence.com/t/subcontractor-fee-percentage-as-part-of-tender-price/22066 "2025-01-10T09:12:04Z")
For an NEC Option A contract under a framework agreement which has pre agreed fee percentages, we have received a tender in which the Main Contractor has provided the subcontractor cost, with the subcontractor fee percen… --- ## [Additional Site Information post contract](https://reachback.builtintelligence.com/t/additional-site-information-post-contract/22064)
**Author:** [@JMR](https://reachback.builtintelligence.com/u/JMR)\ **Replies:** 5\ **Last updated:** [8 January 2025 09:52 UTC](https://reachback.builtintelligence.com/t/additional-site-information-post-contract/22064 "2025-01-08T09:52:23Z")
We are PM on an NEC3 Option B contract, between tender and contract award additional site investigation was carried out on the footprint of a building which was demolished. This was not included as Site Information in th… --- ## [Dividing Date for a proposed instruction - NEC4 ECC](https://reachback.builtintelligence.com/t/dividing-date-for-a-proposed-instruction-nec4-ecc/22026)
**Author:** [@hatem-d](https://reachback.builtintelligence.com/u/hatem-d)\ **Replies:** 2\ **Last updated:** [2 January 2025 08:47 UTC](https://reachback.builtintelligence.com/t/dividing-date-for-a-proposed-instruction-nec4-ecc/22026 "2025-01-02T08:47:54Z")
Hi, I am a contractor operating under Main Option C. On 1/11/2024, the Project Manager instructed us to submit a quotation for a proposed instruction, which is expected to be issued around 16/12/2024. I understand that … --- ## [NEC4: Engineering and Construction Short Subcontract](https://reachback.builtintelligence.com/t/nec4-engineering-and-construction-short-subcontract/22017)
**Author:** [@Ian.Murphy](https://reachback.builtintelligence.com/u/Ian.Murphy)\ **Replies:** 1\ **Last updated:** [25 December 2024 10:52 UTC](https://reachback.builtintelligence.com/t/nec4-engineering-and-construction-short-subcontract/22017 "2024-12-25T10:52:30Z")
My company is operating as a subcontractor under this form of subcontract. While it has issued numerous quotations for notified compensation events, the Contractor has not disputed that these are compensation events wit… --- ## [X1 application on NEC Supply Contract](https://reachback.builtintelligence.com/t/x1-application-on-nec-supply-contract/22046)
**Author:** [@cmantas](https://reachback.builtintelligence.com/u/cmantas)\ **Replies:** 3\ **Last updated:** [19 December 2024 12:09 UTC](https://reachback.builtintelligence.com/t/x1-application-on-nec-supply-contract/22046 "2024-12-19T12:09:29Z")
Dear all, I would appreciate guidance on the below example please. BCIS 90/13 Base date - Apr 22 BCIS – 476 CE £100.00 based on Nov 22 prices BCIS – 395 Paid in full Nov 23 BCIS – 294 Proportions: .47 adjustable; .… --- ## [NEC Option C - X16 Pain Gain](https://reachback.builtintelligence.com/t/nec-option-c-x16-pain-gain/22041)
**Author:** [@tom.morley93](https://reachback.builtintelligence.com/u/tom.morley93)\ **Replies:** 6\ **Last updated:** [18 December 2024 21:23 UTC](https://reachback.builtintelligence.com/t/nec-option-c-x16-pain-gain/22041 "2024-12-18T21:23:26Z")
When finalising the final account, is the pain/gain mechanism applied after or before retention? Ie Option 1 or 2 Option 1 Target (including CEs) - £1,000,000 PWDD - £900,000 Pain / Gain share = flat 50% - £100,000 … --- ## [Option B - Measurement method for PWDD](https://reachback.builtintelligence.com/t/option-b-measurement-method-for-pwdd/22043)
**Author:** [@eTaylor](https://reachback.builtintelligence.com/u/eTaylor)\ **Replies:** 3\ **Last updated:** [18 December 2024 20:29 UTC](https://reachback.builtintelligence.com/t/option-b-measurement-method-for-pwdd/22043 "2024-12-18T20:29:12Z")
Hello. We have an Option B, which is silent on the method of measurement. For concreting we’re allowed 3% wastage. I’d like to know what is the correct method of measing a simple concreting activity for 1m x 1m x 1m c… [Previous page](https://reachback.builtintelligence.com/c/nec3-and-nec4-contracts/5.md?page=3) [Next page](https://reachback.builtintelligence.com/c/nec3-and-nec4-contracts/5.md?page=5)