supply of printing and supply of engine repair books (log books)printing and supply of engine repair books (log books),printing and supply of engine repair books (log books) for hhp locomotives as per the approved format. each book shall contain 100 a4 size sh eets (200 pages), printed on both sides (duplex) in black ink on 70 gsm paper. the first 8 sheets (16 pages) shall be in coloured paper (baby pink / light blue / light green / light yellow) and printed as per the format given in annexure a. the remaining 92 sheets (184 pages) shall be white paper, printed as per the single-page format in annexure b. all books shall be securely bound with laminated thick wrapper covers for durability in field use. printing should ensure clari ty, alignment, and compliance with the attached annexures. [ warranty period: 30 months after the date of delivery ] ]