(ase uRaes ste corel area, area eer) . National Highways Authority of India (Ministry of Road Transport and Highways, Government of India) erate at AS UF 6, BaET-410, aIeH, 7 Ree - 110 075 » G-5 & 6, Sector-10, Dwarka, New Delhi-110075 "FEAT/Phone : 91-11-25074100 / 25074200 No. NHAI/SRD&Q/CVC/194/2020/(E-71688)/ 220 10.04.2023 To, All NHAI Officers Sub: Amendment in Roughness parameters for Flexible and Rigid pavements in respect of all forms of contract; i.e. for EPC/ BOT (Toll)/ HAM/ TOT projects - reg. Ref: MORT&H Circular No: RW/NH-33044/88/2021-S@R (P&B)/DNT (215840) dated 29.03.2023 MORTEH, vide Technical Circular no. RW/NH-33044/88/2021-S&R (P&B)/ONT (215840), dated 29.03.2023, issued Amendment in Roughness parameters for Flexible and Rigid pavements in respect of all forms of contract i.e. for EPC/BOT (Toll)/HAM/TOT projects. 2. The copy of MORTEH Circular dated: 29.03.2023 is attached herewith for kind information and necessary action in the matter. Encl: As above. pots (Ajay Kumar Sabharwall) GM (T)/SRDBQ Cc: Web-Admin - for circulation to all NHAI officers.1891 656226/2023/GM (SRD & Q) Office Government of India ‘Ministry of Road Transport & Highways (SER Zone) No.1, Parliament Street, Transport Bhawan, New Dethi-110001 File No: RW/NH-33044/88/2021-S&R(P&B)/DNT (215840) Dated: 29" March, 2023 To, The Chief Secretaries of all State Governments/UTS 2. The Principal Secretaries/ Secretaries of all States/ UTs PWD dealing with National Highways, other centrally sponsored schemes and state schemes 3. The Chairman, National Highways Authority of India (NHAl), G-5&6, Sector-10, Dwarka, New Dethi-110075. 4. The Managing Director, National Highway Infrastructure Development Corporation Ltd., 3 floor, PT! Building, Parliament Street, New Dethi-110001, 5. Director General (Border Roads), Seema Sadak Bhawan, Ring Road, New Delhi- 110010. 6. Secretary General, IRC, IRC Bhawan, Kama Koti Marg, Sector-6, R.K.Puram, New Dethi-1 10022 7. Director, IAHE, Industrial Area, A-5, Sector-62, Noida-201309 8, NIC for uploading on Ministry's websites, Subject: Amendment in Roughness parameters for Flexible and Rigid pavements-Reg. Madam/Sir, Ministry has issued Model RFP and Agreement documents for EPC / BOT (Toll)/ HAM/ TOT projects. These standard document specifies the riding quality parameters (roughness) of the National Highways, with the maximum permissible roughness value obtained from calibrated Bump Integrator (Bl). It has been observed that, these Model documents are having different values of roughness parameters, Therefore, in order to have uniformity in all forms of contract, it has been decided that the riding quality value (roughness) should be the same in all forms of contract. 2. Accordingly, the maximum riding quality value (roughness) is amended as under in respect of all forms of contract; i.e. for EPC / BOT (Toll)/ HAM/ TOT projects: - [Roughness (BI) for Flexible PavementlRoughness (61) for Rigid Pavement (mms) (mm/km) jrable [Acceptable [Desirable [Acceptable 1000 [2400 [2200 [2400 3 This issues with approval of Competent Authority in suppression to provision of Manual and applicable IRC Standards and Guidelines of Ministry. Yours faithfully, .K-Kushwaha) CE, S@R (Roads) For DG (RD) & SS Copy 1. AlLROS/ ELOs of MoRTH and all Technical Officers at MoRTH Headquarter; 2. PPS to Secretary (RTH), PPS to DG (RD) 85S, PS to ASGFA, PS to all ADGs; 3. Technical circular file of SER (P&B) Section.