# Contract Data

**URL:** https://reachback.builtintelligence.com/c/nec3-and-nec4-contracts/contract-data/28.md

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## [About the Contract Data category](https://reachback.builtintelligence.com/t/about-the-contract-data-category/33)

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**Author:** [@system](https://reachback.builtintelligence.com/u/system)\
**Replies:** 0\
**Last updated:** [27 February 2020 19:05 UTC](https://reachback.builtintelligence.com/t/about-the-contract-data-category/33 "2020-02-27T19:05:57Z")

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(Replace this first paragraph with a brief description of your new category. This guidance will appear in the category selection area, so try to keep it below 200 characters.) Use the following paragraphs for a longer d…

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## [PSC Option A Short Schedule of Cost Components](https://reachback.builtintelligence.com/t/psc-option-a-short-schedule-of-cost-components/22092)

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**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")

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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…

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## [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)

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**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")

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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…

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## [Consultants Fee Percentage (85%)](https://reachback.builtintelligence.com/t/consultants-fee-percentage-85/21886)

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**Author:** [@james1](https://reachback.builtintelligence.com/u/james1)\
**Replies:** 5\
**Last updated:** [1 November 2024 09:49 UTC](https://reachback.builtintelligence.com/t/consultants-fee-percentage-85/21886 "2024-11-01T09:49:59Z")

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Hello all, I am a Client and have received a CD Pt2 from a Consultant which states their fee percentage is 85%. (PSSC Option A) Their tendered fee for the works is £300,000. My question is- is their fee percentage onl…

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## [NEC3 ECS Opt A - X1 Price Adjustment for Inflation](https://reachback.builtintelligence.com/t/nec3-ecs-opt-a-x1-price-adjustment-for-inflation/21416)

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**Author:** [@Vaco](https://reachback.builtintelligence.com/u/Vaco)\
**Replies:** 5\
**Last updated:** [1 December 2023 11:45 UTC](https://reachback.builtintelligence.com/t/nec3-ecs-opt-a-x1-price-adjustment-for-inflation/21416 "2023-12-01T11:45:44Z")

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Hi all, Can someone please explain if the below is correct, as I’m a bit confused on the NEC3 wording. It reads: “(a) The Base Date Index (B) is the latest available index before the base date”. However on the contract,…

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## [S/C not included fee in quotation NEC3 ECS OptA](https://reachback.builtintelligence.com/t/s-c-not-included-fee-in-quotation-nec3-ecs-opta/21394)

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**Author:** [@Vaco](https://reachback.builtintelligence.com/u/Vaco)\
**Replies:** 2\
**Last updated:** [10 November 2023 10:54 UTC](https://reachback.builtintelligence.com/t/s-c-not-included-fee-in-quotation-nec3-ecs-opta/21394 "2023-11-10T10:54:52Z")

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Contractor issued instruction for x works. Subcontractor issued quotation back. Contractor accepted quotation. Subcontractor has returned to say they have forgotten to include fee. Where does the Subcontractor stand? Th…

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## [NEC3 ECC: Option E - Working & Design Area Overheads](https://reachback.builtintelligence.com/t/nec3-ecc-option-e-working-design-area-overheads/4206)

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**Author:** [@system](https://reachback.builtintelligence.com/u/system)\
**Replies:** 4\
**Last updated:** [6 September 2023 14:09 UTC](https://reachback.builtintelligence.com/t/nec3-ecc-option-e-working-design-area-overheads/4206 "2023-09-06T14:09:11Z")

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What is the correct way to apply Working Area Overhead and Design Area Overhead to your defined costs? For example, if Contract Data Part 2 reads the following:- WAO Percentage- 15% DAO Percentage- 30% Direct Fee Perc…

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## [Dispute Resolution](https://reachback.builtintelligence.com/t/dispute-resolution/19600)

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**Author:** [@jill.swift](https://reachback.builtintelligence.com/u/jill.swift)\
**Replies:** 1\
**Last updated:** [23 January 2023 08:51 UTC](https://reachback.builtintelligence.com/t/dispute-resolution/19600 "2023-01-23T08:51:49Z")

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Hi, just wondering if I appoint several consultants separately or as a Multi-D service with regards to dispute resolution is it best to state one institute as the arbitration procedure eg. RICS across all disciplines or …

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## [NEC3 Works Information - Document/Information by Reference](https://reachback.builtintelligence.com/t/nec3-works-information-document-information-by-reference/18609)

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**Author:** [@SLH28](https://reachback.builtintelligence.com/u/SLH28)\
**Replies:** 2\
**Last updated:** [3 October 2022 16:21 UTC](https://reachback.builtintelligence.com/t/nec3-works-information-document-information-by-reference/18609 "2022-10-03T16:21:03Z")

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NEC3 guidance would imply that any relevant documentation describing the works and/or constraints must be identified as Works Information and listed in the Contract Data, and that the various sections and supplementary d…

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## [Boundaries of the Site](https://reachback.builtintelligence.com/t/boundaries-of-the-site/17802)

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**Author:** [@NECUSER1988](https://reachback.builtintelligence.com/u/NECUSER1988)\
**Replies:** 3\
**Last updated:** [17 May 2022 14:55 UTC](https://reachback.builtintelligence.com/t/boundaries-of-the-site/17802 "2022-05-17T14:55:59Z")

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We are compiling an NEC3 ECC Opt B and are debating if the Boundaries of the Site should include the area identified by the Employer for use as welfare / coumpound / stores. The area is approx 250m beyond the works exte…

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## [NEC ECC: What items should be included / allowed for when calculating percentage for peoples overheads?](https://reachback.builtintelligence.com/t/nec-ecc-what-items-should-be-included-allowed-for-when-calculating-percentage-for-peoples-overheads/4962)

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**Author:** [@MORRIS44](https://reachback.builtintelligence.com/u/MORRIS44)\
**Replies:** 5\
**Last updated:** [9 July 2021 07:53 UTC](https://reachback.builtintelligence.com/t/nec-ecc-what-items-should-be-included-allowed-for-when-calculating-percentage-for-peoples-overheads/4962 "2021-07-09T07:53:54Z")

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I would like to clarify what items are included / allowed for when calculating the percentage for peoples overheads within the Shorter Schedule of Cost Components (SSCC). Our Contract is Option A and under the SSCC has …

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## [NEC 4 Option C Pain / Gain Percentages](https://reachback.builtintelligence.com/t/nec-4-option-c-pain-gain-percentages/14954)

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**Author:** [@J11](https://reachback.builtintelligence.com/u/J11)\
**Replies:** 3\
**Last updated:** [7 June 2021 10:47 UTC](https://reachback.builtintelligence.com/t/nec-4-option-c-pain-gain-percentages/14954 "2021-06-07T10:47:42Z")

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How does the client calculate the percentages in the contract data? Does the following sound right ?: -97.5% = 0%, 97.5 - 102.5% = 50% 102.5% & above = 100%. This seems a lot of pain.

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## [Key Date, X5 & X7](https://reachback.builtintelligence.com/t/key-date-x5-x7/13063)

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**Author:** [@simsai1](https://reachback.builtintelligence.com/u/simsai1)\
**Replies:** 3\
**Last updated:** [19 April 2021 13:01 UTC](https://reachback.builtintelligence.com/t/key-date-x5-x7/13063 "2021-04-19T13:01:23Z")

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Hi I have just started a new role and been handed a subcontract to manage and I have spotted in Subcontract Data Part 1 that the key dates and conditions to be met are stated in Annexure C of the subcontract data. Furth…

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## [NEC4 Option C ECC clause 50.7 and Contract Data Part 1](https://reachback.builtintelligence.com/t/nec4-option-c-ecc-clause-50-7-and-contract-data-part-1/7311)

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**Author:** [@mchughcr](https://reachback.builtintelligence.com/u/mchughcr)\
**Replies:** 1\
**Last updated:** [4 January 2021 13:13 UTC](https://reachback.builtintelligence.com/t/nec4-option-c-ecc-clause-50-7-and-contract-data-part-1/7311 "2021-01-04T13:13:41Z")

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Preparing an NEC4 ECC Option C Contract Data Part 1 for a project in the UK. Under core clause 5 Payment, there is an entry in CD Part 1 associated with clause 50.7 for: The exchange rates are those published in … on ……

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## [NEC3 ECC Option D - Data for Schedule of Cost Components](https://reachback.builtintelligence.com/t/nec3-ecc-option-d-data-for-schedule-of-cost-components/7334)

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**Author:** [@good92](https://reachback.builtintelligence.com/u/good92)\
**Replies:** 1\
**Last updated:** [11 December 2020 16:43 UTC](https://reachback.builtintelligence.com/t/nec3-ecc-option-d-data-for-schedule-of-cost-components/7334 "2020-12-11T16:43:03Z")

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In the Contract Data Part 2, there is a section for Data for Schedule of Cost Components, and in particular an area for rates to be agreed for those carrying out design / manufacture & fabrication outside the working are…

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## [NEC3 ECS: option A tender but Contract Data contains no dates](https://reachback.builtintelligence.com/t/nec3-ecs-option-a-tender-but-contract-data-contains-no-dates/5897)

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**Author:** [@Fxsancho](https://reachback.builtintelligence.com/u/Fxsancho)\
**Replies:** 4\
**Last updated:** [8 June 2020 16:23 UTC](https://reachback.builtintelligence.com/t/nec3-ecs-option-a-tender-but-contract-data-contains-no-dates/5897 "2020-06-08T16:23:29Z")

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We are a small and young company and never had to use NEC3 ECS option A before. Draft NEC3 ECS option A received as part of tender but Contract Data contains no dates. We are working on our Activity Schedule and unders…

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## [NEC ECS: Do i have to provide the Contractor a full Defined Cost Breakdown to my Tender sum under an NEC3 Option A ECS?](https://reachback.builtintelligence.com/t/nec-ecs-do-i-have-to-provide-the-contractor-a-full-defined-cost-breakdown-to-my-tender-sum-under-an-nec3-option-a-ecs/5877)

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**Author:** [@J\_Matthiae](https://reachback.builtintelligence.com/u/J_Matthiae)\
**Replies:** 2\
**Last updated:** [29 May 2020 10:23 UTC](https://reachback.builtintelligence.com/t/nec-ecs-do-i-have-to-provide-the-contractor-a-full-defined-cost-breakdown-to-my-tender-sum-under-an-nec3-option-a-ecs/5877 "2020-05-29T10:23:19Z")

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For Clarification this is not regarding pricing a Compensation Event. We are currently in discussion with a Main Contractor to enter into a NEC3 Option A ECS. He is also on an option A ESC to a Main contractor who is on…

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## [NEC ECC: Contractor to provide Insurance](https://reachback.builtintelligence.com/t/nec-ecc-contractor-to-provide-insurance/5804)

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**Author:** [@oliverrusha](https://reachback.builtintelligence.com/u/oliverrusha)\
**Replies:** 1\
**Last updated:** [28 April 2020 13:59 UTC](https://reachback.builtintelligence.com/t/nec-ecc-contractor-to-provide-insurance/5804 "2020-04-28T13:59:50Z")

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I could not ascertain whether the ECC required the Contractor to provide insurance for loss of or damage to the Employer’s structures?. Any response would help as I need to see if this is added into the Z clauses

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## [NEC ECS: Costs of rates included under NEC3  options C and E, CD2](https://reachback.builtintelligence.com/t/nec-ecs-costs-of-rates-included-under-nec3-options-c-and-e-cd2/5761)

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**Author:** [@LY1](https://reachback.builtintelligence.com/u/LY1)\
**Replies:** 1\
**Last updated:** [28 April 2020 12:24 UTC](https://reachback.builtintelligence.com/t/nec-ecs-costs-of-rates-included-under-nec3-options-c-and-e-cd2/5761 "2020-04-28T12:24:21Z")

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How can I include costs for staff travel time ( subcontractors), and other travel time for commissioning and special labour resources, under CD2? Further, can I include a procurement list of plant/ materials that we int…

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## [NEC PSC: Under NEC3, does the Employer's Agent have to be a named individual (or can it be a company)?](https://reachback.builtintelligence.com/t/nec-psc-under-nec3-does-the-employers-agent-have-to-be-a-named-individual-or-can-it-be-a-company/5675)

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**Author:** [@Steve\_Williams](https://reachback.builtintelligence.com/u/Steve_Williams)\
**Replies:** 1\
**Last updated:** [6 March 2020 11:50 UTC](https://reachback.builtintelligence.com/t/nec-psc-under-nec3-does-the-employers-agent-have-to-be-a-named-individual-or-can-it-be-a-company/5675 "2020-03-06T11:50:16Z")

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Under a PSC Contract under NEC3 the client is using X10 to nominate an Employer’s Agent to act fully on their behalf - should this be a named individual or can it be a company. The later is what has been proposed in Cont…

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## [NEC ECC: Are there any disadvantages from employer perspective of leaving tenderers to define activities?](https://reachback.builtintelligence.com/t/nec-ecc-are-there-any-disadvantages-from-employer-perspective-of-leaving-tenderers-to-define-activities/5660)

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**Author:** [@William](https://reachback.builtintelligence.com/u/William)\
**Replies:** 1\
**Last updated:** [3 March 2020 07:07 UTC](https://reachback.builtintelligence.com/t/nec-ecc-are-there-any-disadvantages-from-employer-perspective-of-leaving-tenderers-to-define-activities/5660 "2020-03-03T07:07:01Z")

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Currently tendering for the construction of a parking area for some new commercial buildings which is to be awarded using option Employer has left us (tenderers) free to define activities, just wondering what the potent…

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## [NEC ECC: Have submitted a design for a floor which Works Information was non-specific about in its type. Employer is now considering marble](https://reachback.builtintelligence.com/t/nec-ecc-have-submitted-a-design-for-a-floor-which-works-information-was-non-specific-about-in-its-type-employer-is-now-considering-marble/5655)

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**Author:** [@William](https://reachback.builtintelligence.com/u/William)\
**Replies:** 3\
**Last updated:** [3 March 2020 07:02 UTC](https://reachback.builtintelligence.com/t/nec-ecc-have-submitted-a-design-for-a-floor-which-works-information-was-non-specific-about-in-its-type-employer-is-now-considering-marble/5655 "2020-03-03T07:02:31Z")

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Contract was awarded on a design and build Option C basis. The works information was non-specific in regard to what type of floor was to be used and as such designs for a polished concrete floor have been submitted, whic…

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## [NEC ECS: Completion Date for a Subcontract which includes Maintenance](https://reachback.builtintelligence.com/t/nec-ecs-completion-date-for-a-subcontract-which-includes-maintenance/5521)

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**Author:** [@matthewroulson](https://reachback.builtintelligence.com/u/matthewroulson)\
**Replies:** 2\
**Last updated:** [13 February 2020 14:19 UTC](https://reachback.builtintelligence.com/t/nec-ecs-completion-date-for-a-subcontract-which-includes-maintenance/5521 "2020-02-13T14:19:46Z")

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We as the Contractor have a contract completion date in July 2020. Within the Works Information we are required to provide 12 months of maintenance to the landscaped areas on site, we have included this requirement with…

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## [NEC ECS: Applying Delay Damages](https://reachback.builtintelligence.com/t/nec-ecs-applying-delay-damages/5528)

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**Author:** [@trauts80](https://reachback.builtintelligence.com/u/trauts80)\
**Replies:** 1\
**Last updated:** [31 January 2020 07:25 UTC](https://reachback.builtintelligence.com/t/nec-ecs-applying-delay-damages/5528 "2020-01-31T07:25:12Z")

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I am the MWC and have a subcontractor on an NEC3 Option A subcontract. We are imposing delay damages on the Subcontractor. Where do we put the delay damages amount? On their next Payment Certificate as a line under thei…

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## [NEC ECC: Can access dates be introduced mid-contract?](https://reachback.builtintelligence.com/t/nec-ecc-can-access-dates-be-introduced-mid-contract/5372)

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**Author:** [@engineering](https://reachback.builtintelligence.com/u/engineering)\
**Replies:** 1\
**Last updated:** [5 November 2019 18:49 UTC](https://reachback.builtintelligence.com/t/nec-ecc-can-access-dates-be-introduced-mid-contract/5372 "2019-11-05T18:49:17Z")

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Under an NEC3 standard Option A contract can new multiple access dates be introduced midway through the contract ? There was initially one access date for the site and there is now a proposal to split parts of the site i…

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## [NEC ECC: Completing Contract Data Part 2 Part 6 of NEC4 Option B](https://reachback.builtintelligence.com/t/nec-ecc-completing-contract-data-part-2-part-6-of-nec4-option-b/5345)

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**Author:** [@Ian.Murphy](https://reachback.builtintelligence.com/u/Ian.Murphy)\
**Replies:** 1\
**Last updated:** [28 October 2019 08:53 UTC](https://reachback.builtintelligence.com/t/nec-ecc-completing-contract-data-part-2-part-6-of-nec4-option-b/5345 "2019-10-28T08:53:37Z")

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Having submitted a tender under the above form of contract, the Contracting Authority is insisting that our company price all people rates for the category of person it has included in the Short Schedule of Cost Componen…

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## [NEC3 Option A - Working Area and defined cost of design.](https://reachback.builtintelligence.com/t/nec3-option-a-working-area-and-defined-cost-of-design/5309)

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**Author:** [@GaryC](https://reachback.builtintelligence.com/u/GaryC)\
**Replies:** 1\
**Last updated:** [24 October 2019 15:07 UTC](https://reachback.builtintelligence.com/t/nec3-option-a-working-area-and-defined-cost-of-design/5309 "2019-10-24T15:07:14Z")

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We are using a NEC3 Option A, and have Hourly rates for defined cost of design outside the working area, which details various staff titles from our designer. When we are quoting a CE, we use these rates form Design tim…

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## [NEC ECC: Delay in Contract Award](https://reachback.builtintelligence.com/t/nec-ecc-delay-in-contract-award/5340)

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**Author:** [@Jon\_Graham](https://reachback.builtintelligence.com/u/Jon_Graham)\
**Replies:** 1\
**Last updated:** [18 October 2019 17:05 UTC](https://reachback.builtintelligence.com/t/nec-ecc-delay-in-contract-award/5340 "2019-10-18T17:05:40Z")

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How does a Contractor protect themselves from delays in the Employer awarding the contract? For example; a Contractor identifies a completion date in contract data part 2 but then the Employer takes 2 months to award th…

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## [NEC ECC:  Option A - Contract Data Part 2](https://reachback.builtintelligence.com/t/nec-ecc-option-a-contract-data-part-2/5310)

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**Author:** [@GaryC](https://reachback.builtintelligence.com/u/GaryC)\
**Replies:** 1\
**Last updated:** [16 October 2019 09:48 UTC](https://reachback.builtintelligence.com/t/nec-ecc-option-a-contract-data-part-2/5310 "2019-10-16T09:48:47Z")

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How do we recover Designers time when their rates are not included within our CD2 ?

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## [NEC ECC: Works Information reference in Contract Data 1](https://reachback.builtintelligence.com/t/nec-ecc-works-information-reference-in-contract-data-1/5304)

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**Author:** [@NECUSER1988](https://reachback.builtintelligence.com/u/NECUSER1988)\
**Replies:** 1\
**Last updated:** [3 October 2019 16:30 UTC](https://reachback.builtintelligence.com/t/nec-ecc-works-information-reference-in-contract-data-1/5304 "2019-10-03T16:30:24Z")

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I have received a query from the Employer, with respect to how the Works Information is referenced within Contract Data Part 1. CD1 notes the Works Information as the specification document reference, with the correspon…

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